Answers
ANSWER
60.65 x 10³ km
EXPLANATION
We know that 1 day - which is 1 complete turn of the planet, is equivalent to 2x10⁴ seconds. This means that the angular velocity of the planet is,
\(\omega=\frac{1}{2\times10^4s}=5\times10^{-5}\text{turns per second}\)If the orbit is geostationary, the object in orbit will have a fixed position related to the planet. Thus, this object will have the same angular velocity as the planet.
Let's say that the object in orbit has mass m, while the planet's mass is M. Let's draw a diagram of the situation,
Because of the object's rotational motion, the net force acting on the object in orbit is,
\(F_{net}=m\cdot a_c=m\cdot(\omega^2\cdot(R+h))\)This is the result of the gravitational force of the planet and the object in orbit,
\(F_{grav}=G\cdot\frac{M\cdot m}{(R+h)^2}\)Note that (R + h) is the orbital radius, but we are only interested in the altitude, which is the distance from the surface of the planet to the orbit.
As stated before, these two forces are equal in magnitude,
\(m\cdot\omega^2\cdot(R+h)=G\cdot\frac{M\cdot m}{(R+h)^2}\)We have to solve this equation for h. First, the mass of the object in orbit, m, cancels out,
\(\omega^2\cdot(R+h)=G\cdot\frac{M}{(R+h)^2}\)Next, we have to multiply both sides by (R+h)²,
\(\begin{gathered} \omega^2\cdot(R+h)\cdot(R+h)^2=G\cdot\frac{M}{(R+h)^2}\cdot(R+h)^2 \\ \\ \omega^2\cdot(R+h)^3=G\cdot M \end{gathered}\)Divide both sides by ω²,
\(\begin{gathered} \frac{\omega^2\cdot(R+h)^3}{\omega^2}=\frac{G\cdot M}{\omega^2} \\ \\ (R+h)^3=\frac{G\cdot M}{\omega^2} \end{gathered}\)Take the cubic root of both sides and subtract R from both sides - in that order,
\(h=\sqrt[3]{\frac{G\cdot M}{\omega^2}}-R\)This is the altitude of the orbit. The symbols in this equation are:
• G is the gravitational constant, 6.67 x 10⁻¹¹ N*m²/kg²
,• M is the mass of the planet, 5 x 10²⁶ kg
,• R is the radius of the planet, 9 x 10⁶ m
,• ω is the angular velocity of the planet - and the object, we found before, 5 x 10⁻⁵ turns per second.
Before solving the equation, we have to write the angular velocity in radians per second, knowing that 1 turn is equivalent to 2π radians,
\(\omega=5\times10^{-5}\frac{turn}{s}\cdot\frac{2\pi\text{rad}}{1\text{ }turn}=10\pi\times10^{-5}rad/s\)The altitude is,
\(h=\sqrt[3]{\frac{6.67\times10^{-11}N\cdot m^2/kg^2\cdot5\times10^{26}kg}{(10\pi\times10^{-5}rad/s)^2}}-9\times10^6m\approx60.65\times10^6m=60.65\times10^3km\)Hence, the altitude of the geostationary orbit should be 60.65 x 10³ km.
Related Questions
how much work is done by a person who picks up a 3-kg crate from the floor, raises it 2m and sends it flying with a speed of 4m/s
Answers
Answer:
82.8 J
Explanation:
The work done to raise the crate is ...
PE = Mgh = (3 kg)(9.8 m/s^2)(2 m) = 58.8 J
The kinetic energy added to send the box flying is ...
KE = (1/2)Mv^2 = (1/2)(3 kg)(4 m/s)^2 = 24 J
So, the total work involved in this activity is ...
58.8 J +24 J = 82.8 J
What is MOST likely to be TRUE about asynchronous communication?
It is rarely used in businesses in today's society.
It offers many opportunities to ask clarifying questions in real time.
It is helpful when employees work across multiple time zones.
It only works when all employees work in the same time zone.
Answers
The most likely true statement about asynchronous communication is that it is helpful when employees work across multiple time zones.
Asynchronous communication refers to a mode of communication where participants do not need to be present or engaged simultaneously. Instead, they can send and receive messages at their convenience.In today's globalized society, businesses often have teams distributed across different geographical locations and time zones. Asynchronous communication becomes invaluable in such scenarios as it allows team members to collaborate effectively without the constraints of real-time interactions. By utilizing tools like email, project management platforms, or messaging apps, individuals can communicate and exchange information regardless of their location or the time differences.
Asynchronous communication also offers benefits such as flexibility and increased productivity. Team members have the freedom to work at their own pace and prioritize tasks accordingly. It provides opportunities for thoughtful and well-crafted responses, as individuals can take time to gather information or reflect on complex matters before replying.While asynchronous communication is advantageous for teams operating across multiple time zones, it does not rely on all employees working in the same time zone. In fact, it is designed to accommodate diverse schedules and allow individuals to collaborate efficiently despite their varying work hours.
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Which explains what a velocity time graph would look like with no acceleration?
O curved line on a upward slope
O straight line on a downward slope
O straight line with no slope
O curved line on a downward slope
Answers
Answer:
Hey!
Your answer is C!
Explanation:
HOPE THIS HELPS!!
Straight line with no slope explains what a velocity time graph would look like with no acceleration. The correct option is 3.
When there is no acceleration, the item is travelling at a steady speed. The y-axis of a velocity-time graph represents velocity, while the x-axis represents time.
A straight line with no slope implies constant velocity, where the velocity remains constant over time. There is no change in velocity, which indicates that there is no acceleration.
Thus, on the velocity-time graph, a straight line with no slope depicts an object travelling with no acceleration. The correct option is 3.
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Your question seems incomplete, the probable complete question is:
Which explains what a velocity time graph would look like with no acceleration?
O curved line on a upward slopeO straight line on a downward slopeO straight line with no slopeO curved line on a downward slope6. A picture of weight, w is hanging from a steel nail as shown in the figure below. The nail has a diameter of 1.50 mm and an original length, Lo = 5.0 mm. Useful Information: The shear modulus, G for steel is 80 x 10° N.m². (a) (b) (c) 1.50 mm 3 Ax = 1.80 μm W Lo = 5.00 mm M What kind of deformation occurs in this case? How are stress and strain in this deformation related to each other? [3] When the picture is hung from the nail, the head of the nail displaces vertically downwards by an amount Ax = 1.80 µm. Find the mass of the picture. Neglect the weight of the nail. [6] What angle does the nail make with the horizontal after the picture is hung from it? [2]
Answers
The mass of the picture is approximately 5.19 kilograms.
How to solve for the problemThe deformation in this case is called shear deformation, a type of deformation that occurs when parallel internal surfaces slide past one another. It is caused by shear stress in the structure. The shear stress (τ) is the force (F) applied divided by the cross-sectional area (A) of the nail. The shear strain (γ) is the displacement (Δx) divided by the original length (L0).
The relationship between shear stress and shear strain is given by the shear modulus (G) in the formula:
τ = G * γ
To find the weight of the picture, we need to calculate the shear stress first:
The cross-sectional area A of the nail is given by the formula for the area of a circle:
A = πr² = π(d/2)² = π(0.0015 m / 2)² = 1.767 x 10^-6 m².
The shear strain γ is given by:
γ = Δx / L0 = (1.80 x 10^-6 m) / (5 x 10^-3 m) = 0.36.
The shear stress τ can now be calculated by rearranging the formula:
τ = G * γ
=> τ = (80 x 10^9 N/m²) * 0.36 = 28.8 x 10^9 N/m²
The force F on the nail is equal to the weight w of the picture, and it can be calculated from the shear stress:
τ = F / A
=> F = τ * A = (28.8 x 10^9 N/m²) * (1.767 x 10^-6 m²) = 50.89 N.
Since weight w = m * g, where m is mass and g is the acceleration due to gravity (approximately 9.81 m/s²), we can find the mass m:
m = w / g = (50.89 N) / (9.81 m/s²) = 5.19 kg.
So, the mass of the picture is approximately 5.19 kilograms.
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. Acceleration is the rate at which/what hap-
pens?
Answers
When a skater pulls her arms in, it
reduces her moment of inertia from
2.12 kg m² to 0.699 kg-m². If she was
initially spinning 3.25 rad/s, what is
her final angular velocity?
Answers
The skater's final angular velocity is approximately 9.86 rad/s.
The skater's final angular velocity can be calculated using the principle of conservation of angular momentum. The equation for angular momentum is given by:
L = Iω
where L is the angular momentum, I is the moment of inertia, and ω is the angular velocity.
Initially, the skater has an angular momentum of:
L_initial = I_initial * ω_initial
Substituting the given values:
L_initial = 2.12 kg m² * 3.25 rad/s
The skater's final angular momentum remains the same, as angular momentum is conserved:
L_final = L_initial
The final moment of inertia is given as 0.699 kg m². Therefore, the final angular velocity can be calculated as:
L_final = I_final * ω_final
0.699 kg m² * ω_final = 2.12 kg m² * 3.25 rad/s
Solving for ω_final:
ω_final = (2.12 kg m² * 3.25 rad/s) / 0.699 kg m²
Hence, the skater's final angular velocity is approximately 9.86 rad/s.
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Water flows at a speed of 13 m/s through a pipe that has a diameter of 1.2 m. What is the
diameter of the smaller end of the pipe that the water comes out with a speed of 30 m/s?
Answers
The diameter of the smaller end of the pipe is approximately 0.78 meters.
To determine the diameter of the smaller end of the pipe, we can use the principle of conservation of mass. According to this principle, the mass flow rate of water should remain constant throughout the pipe.
The mass flow rate is given by the equation:
Mass flow rate = density of water * cross-sectional area * velocity
Since the density of the water remains constant, we can write:
Cross-sectional area1 * velocity1 = Cross-sectional area2 * velocity2
Given that the velocity1 is 13 m/s, the diameter1 is 1.2 m, and the velocity2 is 30 m/s, we can solve for the diameter2 using the equation:
(pi * (diameter1/2)^2) * velocity1 = (pi * (diameter2/2)^2) * velocity2
Simplifying the equation:
(1.2/2)^2 * 13 = (diameter2/2)^2 * 30
Calculating the equation:
(0.6)^2 * 13 = (diameter2/2)^2 * 30
0.36 * 13 = (diameter2/2)^2 * 30
4.68 = (diameter2/2)^2 * 30
Dividing both sides by 30:
0.156 = (diameter2/2)^2
Taking the square root of both sides:
0.39 = diameter2/2
Multiplying both sides by 2:
0.78 = diameter2
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1.How are elements arranged on the periodic table in terms of valence electrons?
2. Show some evidence using data tables
3. Explain how the evidence supports your claim. Explain how the evidence from your data table shows the trends for valence electrons for both groups and periods on the periodic table.
Answers
Elements are arranged on the periodic table in terms of valence electrons based on their atomic number and electron configuration.
1. Elements are arranged on the periodic table in terms of valence electrons based on their atomic number and electron configuration. The valence electrons are the outermost electrons in an atom's electron shell, and they are crucial in determining the chemical properties and reactivity of elements.
2. Evidence from data tables can be shown by examining the electron configuration and the group and period numbers of various elements on the periodic table. Here is a simplified example:
Element | Electron Configuration | Group | Period |
--------------------------------------------
Hydrogen | 1s^1 | 1 | 1 |
Lithium | [He] 2s^1 | 1 | 2 |
Carbon | [He] 2s^2 2p^2 | 14 | 2 |
Oxygen | [He] 2s^2 2p^4 | 16 | 2 |
Neon | [He] 2s^2 2p^6 | 18 | 2 |
--------------------------------------------
3. The evidence from the data table supports the claim that the arrangement of elements on the periodic table is based on valence electrons.
- Group Trend: Elements within the same group (vertical columns) share the same number of valence electrons. In the example table, Hydrogen, Lithium, and Neon are all in Group 1, indicating they have 1 valence electron.
- Period Trend: Elements within the same period (horizontal rows) have the same number of electron shells. In the example table, Hydrogen and Lithium are in Period 1, indicating they have their valence electron in the first energy level. Carbon, Oxygen, and Neon are in Period 2, indicating they have their valence electrons in the second energy level.
By examining the electron configurations, group numbers, and period numbers, we can clearly see the trends and patterns in the number of valence electrons for both groups and periods on the periodic table. This evidence supports the claim that the arrangement of elements on the periodic table is based on their valence electrons, which play a crucial role in determining their chemical behavior and properties.
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PLS ANSWER WILL MARK BRANLIEST!!!!!!!!!!!!
Describe the life cycle of a star before it collapses into a black hole.
Describe the life cycle of a star before it becomes a black dwarf.
What is the likely outcome of our sun? *
The sun will supernova and become a black hole.
The sun will swell, encompassing the inner planets and collapses into a dwarf star.
The sun will become a pulsar.
How Do You Know?
P.S. the how do you know is only for the last question
Answers
1) describe the life cycle of a star before it collapses into a black hole.
1) describe the life cycle of a star before it collapses into a black hole.ans: A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born. Over time, the hydrogen gas in the nebula is pulled together by gravity and it begins to spin. As the gas spins faster, it heats up and becomes as a protostar. Eventually the temperature reaches 15,000,000 degrees and nuclear fusion occurs in the cloud's core. The cloud begins to glow brightly, contracts a little, and becomes stable. It is now a main sequence star and will remain in this stage, shining for millions to billions of years to come. This is the stage our Sun is at right now.
2) describe the life cycle of a star before it becomes a dwarf.
ans: The life cycle of a low mass star (left oval) and a high mass star (right oval). ... As the core collapses, the outer layers of the star are expelled. A planetary nebula is formed by the outer layers. The core remains as a white dwarf and eventually cools to become a black dwarf.
3) what is the likely outcome of our sun?
ans: All stars die, and eventually — in about 5 billion years — our sun will, too. Once its supply of hydrogen is exhausted, the final, dramatic stages of its life will unfold, as our host star expands to become a red giant and then tears its body to pieces to condense into a white dwarf.
Performs Parts 1-3 in lab, Part 4 you answer by using your information gathered through Parts 1-3.
Part 1. How does the mass of a rolling object affect its final speed (rotational & translational) at the bottom of an incline?
Part 2. How does the radius of a rolling object affect its final speed (rotational & translational) at the bottom of an incline?
Part 3. How does the shape of a rolling object affect its final speed (rotational & translational) at the bottom of an incline?
Part 4. Would a cart that has four disks for wheels have a final speed (rotational & translational) that is greater than, less than, or equal to the final speed of a single disk that has the same mass as the cart and wheels?
Data Analysis:
1. Determine both translational and rotational speeds for the objects at the bottom of the incline.
2. Suppose a cart with four wheels and a disk whose mass is equal to the total mass of the cart roll down the ramp. Which, if either, has more gravitational potential energy at the top?
3. Which of those objects has more kinetic energy at the bottom, why?
4. Imagine a disk just spinning in place instead of rolling. Would it have kinetic energy? Why?
5. Why does the cart (Part 4) have more speed at the bottom even though it doesn't have more kinetic energy than the d
I just need someone to sit down with me and help me
Answers
A block on a level horizontal surface of negligible friction is initially traveling at 20 m/s to the left. A horizontal force F is exerted to the right on the block for the time interval 0 <1 <0.10 s. The magnitude of the force is given as a function of time I by the equation F = at. where a = 240 N/s and t is in seconds. Which of the following free-body diagrams best shows the forces acting on the block at time t= 0.05 s?
Answers
The figure (E) is the great free diagram, showing the forces operating on the blocks at period t = 0.05 seconds, according to the provided statement.
What does friction look like?Vehicle operation on a surface- Whenever an vehicle is still being driven, the engine exerts a force on the wheel that propels the vehicle forward. The car can't move ahead because of the friction between wheels and indeed the ground. Consequently, the car keeps from skidding.
What gives rise to friction?Although friction is assumed to be created by the reactions here between microscopic bumps on surfaces when they rub against one other, scientists are not quite clear what causes it. It is challenging to for surfaces to slide over one another because the peaks on each face flex and exert stress on one another.
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The complete question is-
A block on a level horizontal surface of negligible friction is initially traveling at 20 m/s to the left. A horizontal force F is exerted to the right on the block for the time interval 0 <1 <0.10 s. The magnitude of the force is given as a function of time I by the equation F = at. where a = 240 N/s and t is in seconds.
Which of the following free-body diagrams best shows the forces acting on the block at time t= 0.05 s?
Find the size of the image formed in the situation shown in figure.
A) 0.5 cm
B) 0.6 cm
C) 1.2 cm
D) 1 cm
Answers
Given
distance of the object u = -40 cm.
radius of curvature of the refracting surface R = -20 cm.
The height of the object h = 1 cm.
To Find
The size of the image
Solution
We will now write the following data using the sign convention:
The object's distance is u = -40 cm.
The refracting surface has a radius of curvature of R = -20 cm.
The object's height is h = 1 cm.
We know that the lens maker formula is: n2vn1u=n2n1R.
v denotes the image formation distance.
The refractive index of the second medium is n2=1.33, and the refractive index of the first medium is n1=1.
In the preceding equation, we will now substitute the known values.
1.33v−1−40cm=1.33−1−20cmv=32.05cm
We know that the magnification ratio can be expressed as vu=Hh.
H denotes the height of the created image.
We'll now swap the given and obtained values.
⇒32.05cm divide by 40cm=H divide by 1cm
⇒H=0.6cm
As a result, the best choice is (B).
Further information: The rules of reflection apply to reflection from a concave mirror. The normal to the point of incidence is drawn along the radius of the mirror, that is, by connecting the point of incidence to the centre of curvature.
The development of an image in a concave mirror is mostly determined by the distance between the object and the mirror. The concave mirror produces both real and virtual images. A virtual and magnified picture is generated when the object is placed very close to the mirror.
The complete question is -
Find the size of the image formed in the situation shown in figure.
photo
A) 0.5 cm
B) 0.6 cm
C) 1.2 cm
D) 1 cm
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A jet requires 5 seconds of acceleration from rest to cover a 94 m distance. What was the acceleration?
Answers
When ever there is a change in Velocity, there will be Acceleration. Let us now understand the concept of Acceleration with illustrative examples.
Let's suppose I have a car moving with a constant Velocity of 90 km along a straight line. It can be seen that the helicopter flying at roughly a speed of 20,000 km.
using the equation of motion formula;
S = ut + 1/2 + at²
Given,
S = 94 m
t = 5 sec
U = 0 initial velocity
S = ut + 1/2at²
94 = 0 + 1/2a 5²
a = (94 × 2)/ 25
Acceleration = 7.52 m/s²
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What type of circuit is in the diagram?
b
O series circuit
O parallel circuit
PLEASE HELPPP
Answers
The use of queries and reports are key functions of ______ software.
A. Spreadsheet
B. Database
C. Desktop publishing
D. Internet
Answers
Answer:
DATABASE!!!! I HOPE I HELPED.
The use of queries and reports are key functions of database software, therefore the correct answer is option B.
What is Information technology?Digital transformation is a wide term that encompasses the creation, application, and use of anything involving computers and telecoms.
An example of information technology is the creation of a new word processing program. A subset of digital technologies is cloud-based.
A planned collection of information that has been organized and is frequently stored electronically in a computerized is referred to as a database. A database is frequently managed with a DBMS.
Thus, The use of queries and reports are key functions of database software, therefore the correct answer is option B.
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A worker pushes horizontally on a large crate with a force of 265.0 N and the crate moved 4.3 m. How much work was done?
Answers
Answer:
1139.5 JExplanation:
The work done by an object can be found by using the formula
workdone = force × distance
From the question we have
work done = 265 × 4.3 = 1139.5
We have the final answer as
1139.5 JHope this helps you
During her last physical exam before takeoff, an astronaut was told that her weight was within the acceptable range required for astronauts. After she was in space for two weeks, her weight was recorded again. Which is the best explanation for the astronaut's significant weight loss? A. As mass increases, weight decreases. B. There is less gravitational force affecting her in space. C. She lost body mass during the flight due to a decrease in metabolism. D. The amount of matter in a body decreases as the distance from Earth increases.
Answers
Answer:
The most likely answer is option C: She lost body mass during the flight due to a decrease in metabolism.
Explanation:
There are different theories regarding this. One of fact is that astronauts drink and eat considerably less than normal during the first day of flight (probably due to sickness before adaptation). It is thought that their bodies adapt to the changes in accelerations they suffer during the trip and in space.
A radio is rated as 50 W. Calculate the energy transferred in Joules by the radio when it has been switched on for 2 minutes?
Answers
The energy transferred in Joules by the radio when it has been switched on for 2 minutes would be 6000 Joules.
Energy transferPower is defined as the rate of energy transfer or the rate at which work is done, and is given by the equation:
Power = Energy transferred / Time
Rearranging the equation to solve for energy transferred, we get:
Energy transferred = Power x Time
We are given:
Power = 50 W
Time = 2 minutes = 120 seconds
Therefore, the energy transferred by the radio when it has been switched on for 2 minutes is:
Energy transferred = Power x Time = 50 W x 120 s = 6000 J
In other words, the energy transferred by the radio is 6000 Joules.
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A labourer who supports a load on his back walks along a horizontal straight path.Is there any work done if the speed of the labourer is uniform ?A. Work is done.B. There is no work done.C. Both of these
Answers
The work done in terms of the force and displacement is,
\(W=F\times d\)where F is the force and d is the displacement,
The labourer is moving along the horizontal path with the constant speed, thus, no force must be acting on the labourer along the horizontal direction.
The work done in the horizontal direction is zero.
As there is a gravitational force acting on the load supported by the labourer but the load remains in its same position. Thus, no displacement of the load takes place.
The work done on the load is also zero (in the vertical direction).
Hence, option B is the correct answer (no work is done in the given case).
describe two methods that can be used to cook eggs.
Answers
Which term describes one kind of movement of Earth?
eclipse
revolution
tilted orbit
lunar cycle
Answers
Answer:
revolution
Explanation:
the earth revolves around the sun
Answer: B, revolution
Explanation:
Need help fast ! 10 points!
How is thermal energy different from heat?
A. Heat is a form of energy, while thermal energy is a form of energy transfer
B. Thermal energy is a form of energy, while heat is a form of energy transfer
Answers
This model shows DNA, chromosomes, and genes. If B is a cell and C is the nucleus, what is A?
Answers
Based on the information, we can infer that A. represents a Mitochondria.
What is a mitochondria?Mitochondria is a term to refer to the eukaryotic cell organelles responsible for supplying most of the energy necessary for cell activity through the process called cellular respiration.
Based on the information, we can infer that the element that is labeled with the letter A is a mitochondrion because its location is that of a mitochondrion. In this case, the mitochondria is red, although in other models it can be represented with another color. In general, it is given this shape and this color to distinguish it from other elements of the cell.
Note: This question is incomplete. Here is the complete information:
Attached image
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Calculate the de Broglie wavelength of a proton whose kinetic energy is equal to the rest mass energy of an electron. What should be the accelerating potential that need to be applied on an electron so that it has a de Broglie wavelength equal to that of the proton calculated above?
Answers
mvh=1. 654106. 6210=41014m is the de Broglie wavelength of a proton whose kinetic energy is equal to that of the proton.
What is the energy of an electron that has undergone a 100 kV potential difference?An electron has an energy of 100,000 eV (100 keV) at a potential difference of 100,000 V (100 kV), and so on. The energy gained by an ion with a double positive charge when it is accelerated through 100 V is 200 eV.
What is the relationship between kinetic energy and the de Broglie wavelength?De Broglie wavelength is the length of a particle with kinetic energy E. The wavelength changes to /2 when energy E is added to it.
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A 7.35 kW lathe can move an iron block at a constant speed by applying a force of 5.56 kN. Find the speed of the block.
Answers
Given data
*The given power of the lathe is P = 7.35 kW = 7.35 × 10^3 W
*The given applied force is F = 5.56 kN = 5.56 × 10^3 N
The speed of the block is calculated by the power relation as
\(P=Fv\)Substitute the known values in the above expression as
\(\begin{gathered} 7.35\times10^3=5.56\times10^3\times v \\ v=1.32\text{ m/s} \end{gathered}\)Hence, the speed of the block is v = 1.32 m/s
What accounts for the disparity between women's rights in the urban capital versus the more rural areas of Eritrea?
The practice of female genital mutilation is considered abhorrent in much of the world, and is in fact illegal even in Eritrea. Why would Laila be so conflicted about the procedure for her own daughter?
What are the implications for women's rights in Eritrea beyond this particular practice? What might bring about change?
Answers
Explanation:
The disparity between women's rights in urban and rural areas in Eritrea can be attributed to various factors such as cultural beliefs, traditional values, lack of education, and access to resources. Urban areas generally have more access to education, healthcare, and job opportunities, which can empower women and increase their participation in society. However, rural areas are often more traditional and conservative, and women may face more barriers to accessing education, healthcare, and employment opportunities.
Laila's conflict about the practice of female genital mutilation for her daughter is likely due to her cultural and social upbringing. While she may recognize the physical and psychological harm that the practice can cause, she may also feel pressure to conform to traditional values and beliefs. Additionally, there may be social consequences for not following the practice, such as being ostracized from the community.
Beyond female genital mutilation, women in Eritrea face various challenges to their rights and equality, including limited access to education, gender-based violence, and discrimination in employment and political representation. Bringing about change would require a multi-faceted approach, including education and awareness-raising campaigns, legal and policy reforms, and empowerment programs for women. It would also require addressing the underlying societal and cultural norms that perpetuate gender inequality.
What is discordant characteristic ?
Answers
\( \: \: \: \: \)
being at variance; disagreeingor incongruous: discordant opinions. disagreeable to the ear; dissonant; harsh.hope it helps\( \: \: \: \: \: \)
dissimilar with respect to one or more particular characters
Where on the physical activity pyramid do sedentary activities belong? a. A b. B c. C d. D please select the best answer from the choices provided.
Answers
In the physical activity pyramid, sedentary activities belong to Level D.
The Physical Activity Pyramid is a graphic representation of the different types of physical activities that are recommended for a healthy lifestyle.
The pyramid is divided into four levels, with the most important activities at the bottom and the least important at the top. The greatest and most significant activities for healthy everyday life are at the bottom and the least healthy activities at the top, which you should only perform occasionally.
Sedentary activities, which are activities that involve little or no physical movement, belong at the top of the pyramid, in Level D.
Level D is the smallest section of the pyramid, and it represents activities that should be limited in order to maintain good health.
Hence, option D is the correct choice.
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8. In which of the following situations is the kinetic energy of the object decreasing?
A. A sphere is dropped from a building.
B. A satellite moving is a circular motion around the earth.
C. A baseball is heading upward after being thrown at an angle.
D. An elevator is moving upward at a constant velocity
Answers
The answer is option C. A baseball is heading upward after being thrown at an angle.
What is kinetic energy?Kinetic energy is a type of energy associated with motion. It is defined as the energy an object possesses due to its motion, and is dependent on both the object's mass and its velocity. The formula for kinetic energy is KE = 1/2 mv^2, where m is the mass of the object and v is its velocity.
Kinetic energy can be transferred between objects, and is often involved in collisions and other interactions. For example, when a moving object collides with another object, some of its kinetic energy may be transferred to the second object. Kinetic energy is an important concept in physics and is used in many real-world applications, such as in the design of vehicles, machines, and athletic equipment.
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An object is thrown down from a tall building with an initial velocity of 2 m/s. How fast is it going after 5 seconds of free fall?
Answers
Answer: Vf = Vi + A(t)
Vf= -2+ (-9.8)(5)
Vf = -51 m/s
Explanation:
The final velocity is equal to the initial velocity plus the acceleration multiplied by the time
(-9.8) is used for the acceleration for this question because that is the speed at which things in free fall accelerate when they are on earth
-2 is used as the initial velocity because the ball was thrown in the negative direction which is down.
The time of 5 was given in the question so you can plug it in for time
Answer:
Explanation:
Given:
V₀ = 2 m/s
g = 9.8 m/s²
t = 5 s
____________
V - ?
Axis OX direct vertically down. Then:
V = Vₓ = V₀ₓ + g·t
V = 2 + 9.8*5 = 51 m