The additional force F applied to the jug can be calculated as the cork's pressure P times the area of the bottom. P can be calculated simply dividing the force \(F_{1}\) used on the cork according to its area \(A_{1}\)
Describe pressure.The force applied perpendicularly to an object's surface per unit area across which that force is dispersed is what we might refer to as pressure. The formula for calculating pressure is p = F/A, where F and A stand for force perpendicular to the surface and surface area, respectively.
What connection exists between pressure and force?Pressure is determined by the formula pressure = force / area. As a result, a force exerted across a smaller area will result in more pressure.
Briefing:\(F = PA_{2} = (F_{1} /A_{1} ) A_{2} = (14.00/2.00)^{2} (120) = 5880 N\)
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in gel electrophoresis, dna fragments migrate toward the negative pole of the electric field. t/f
The given statement is true.
In gel electrophoresis, an electric field is applied to a gel matrix containing charged molecules such as DNA fragments. The electric field exerts a force on the charged molecules, causing them to migrate through the gel matrix.The DNA fragments are negatively charged due to the phosphate groups in their structure, and as a result, they migrate toward the positive pole of the electric field. However, since the gel electrophoresis apparatus is designed such that the negative electrode (cathode) is placed at the bottom of the gel, and the positive electrode (anode) is placed at the top, the DNA fragments move toward the negative pole. This is because the negatively charged molecules are attracted to the positively charged anode at the top of the gel, and move away from the negatively charged cathode at the bottom.To know more about electric field visit:
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Create an Android App that calculates two physics properties, Force and Density.
Force is given by the equation, F = ma,
where m is mass, and a is acceleration.
The App should have the following components:
TextView (title for the App)
TextField (for the user to enter the mass)
TextField (for the user to enter the acceleration)
Button (the user presses the button to perform the calculation)
TextView (shows the result of the calculation)
This App should include the user interface and the code that performs the calulcations and presents the results to the user interface.
Use the Simplifying User Input App we developed in class as a guide to complete this assignment,
Create the Android App, set up the project, design the user interface, handle user input, perform calculations, and display the results.
Creating an Android App that calculates force and density can be done by following these steps:
Set up the project in Android Studio.
Design the layout of the user interface using XML, including TextViews, EditTexts, and a Button.
Define the necessary variables and views in the Java code.
Set an onClickListener for the button to perform the calculations.
Retrieve the user input from the EditText fields and convert them to appropriate data types.
Calculate the force using the formula F = ma and the entered mass and acceleration.
Display the calculated force in the result TextView.
Repeat steps 5-7 for calculating density if desired.
Run the app on an Android emulator or device to test its functionality.
The Simplifying User Input App developed in class can serve as a guide for implementing the user interface and handling user input.
You would need to modify the code to incorporate the force and density calculations based on the provided equations.
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A 0. 40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. What impulse does the player apply to the ball?
The impulse that the player applied to the soccer ball which has an incoming and outgoing velocity is -12 kg m/s.
Given that,
Mass of the soccer ball = 0.4 kg
Incoming velocity of the soccer ball = 5 m/s
Outgoing velocity of the soccer ball = - 25 m/s
Initial momentum of the soccer ball p i = 0.4 × 5 = 2 kg m/s
The final momentum of the soccer ball p f = 0.4 × -25 = -10 kg m/s
The impulse that the player applied to the ball will be,
Δp = p i - p f = -10 - 2 = - 12 kg m/s
Thus, the required impulse = - 12 kg m/s
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Conversations with astronauts on the lunar surface were characterized by a kind of echo in which the earthbound person's voice was so loud in the astronaut's space helmet that it was picked up by the astronaut's microphone and transmitted back to Earth. It is reasonable to assume that the echo time equals the time necessary for the radio wave to travel from the Earth to the Moon and back (that is, neglecting any time delays in the electronic equipment). Calculate the distance from Earth to the Moon (in km) given that the echo time was 2.52 s and that radio waves travel at the speed of light (3.00 ✕ 10^8 m/s).
The correct answer is 378000 km.
The speed of light is the rate at which light waves move through distinct substances. In instance, it has now been established that the speed of light in a vacuum is 299,792,458 metres per second.
Using the equation
distance = speed × time,
the total distance travelled is calculated.
Consequently, the overall distance travelled is
Distance = ( 3.00 × 10^8 m/s ) ( 2.52 )
= 756000000 m
The total distance travelled divided by two determines the distance between the Earth and the Moon.
Distance between earth to moon = 756000000/2
= 378000000 meters
= 378000 km.
Approximately 384 thousand kilometres separate the Earth and the Moon.
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to what part of the electromagnetic spectrum does the thermal radiation trapped in a greenhouse belong to?
Answer:
Considerando, que al tope de la atmósfera llega un 100% de la radiación solar, de este total, sólo un 25% llega directamente a la superficie de la Tierra y un 25% es dispersado por la atmósfera como radiación difusa hacia la superficie, esto hace que cerca de un 50% de la radiación total incidente llegue a la ...
Explanation:
An astronaut on the ISS is doing an experiment with two puffy Cheetos inside a carefully sealed container. A charge of 1.2 E−5 C is place on the first Cheeto. The second one receives a charge of 2.5 E−6 C. The force acting on the first Cheeto is 5.73 E−1 N. What is the distance between the Cheetos if k = 8.99 E9 N*m2/C2?70 cm60 cm40 cm49 cm
ANSWER:
1st option: 70 cm
STEP-BY-STEP EXPLANATION:
Given:
Force (F) = 5.73 E−1 N^
Electrical charge 1 (q1) = 1.2 E−5 C
Electrical charge 2 (q2) = 2.5 E−6 C
k = 8.99 E9 N*m2/C2
We can calculate the distance between both charges with the help of Coulumb's law, just like this:
\(F=k\cdot\frac{q_1\cdot q_1}{d^2}\)We substitute and solve for the distance, just like this:
\(\begin{gathered} 5.73\cdot\: 10^{-1}=\frac{8.99\cdot10^9\cdot\:1.2\cdot\:10^{-5}\cdot2.5\cdot10^{-6}}{d^2} \\ d^2=\frac{8.99\cdot10^9\cdot1.2\cdot10^{-5}\cdot2.5\cdot10^{-6}}{5.73\cdot10^{-1}} \\ d=\sqrt[]{0.47} \\ d=0.69\text{ m}\cong0.70\text{ m}=70cm \end{gathered}\)The distance is 70 centimeters
Module 3 Discussion!
After reading Ch.12 and 13 of the text (The essentials of Finance and Accounting for nonfinancial managers/ Third Edition) on Strategy and Financial Forecasting, watching the SWOT video based on Paley’s Products from the Ratio Analysis in Module 2 and the additional narrative information in Appendix C, Phase
Create a SWOT analysis that will reflect the TOWS analysis as described in Ch. 12 of the text. The purpose of the SWOT analysis is to lay out several issues and possibilities to be considered in Paley’s strategic planning. The strengths and weaknesses are internal issues, whereas the opportunities and threats are external.
The second part of the analysis is to create actions based on the SWOTs. This is sometimes called a TOWS analysis and is done by comparing the boxes, two at a time:
Offensive actions come from strengths that link to opportunities, so a specific strength can be applied to exploit an opportunity.
Adjusting actions come from addressing weaknesses, which then can be used to exploit opportunities that previously had not been possible.
Turnaround actions come from weaknesses that link to threats. These are high-risk issues where a priority needs to be given to addressing the weakness to minimize the vulnerability.
Defensive actions come from threats that link to strengths. These are latent issues because if the threat materializes, an already-existing strength is available to counter it.
Additional actions can be included to address other issues not directly identified in the SWOTs.
3. From the actions identified in part 2, pick 3-5 strategic actions that you feel Paley must achieve or at least start in the upcoming year and state your reasons for including them.
Attach your completed SWOT form and list of strategic actions with supporting logic and facts from the case as your answer for this discussion question. These actions are the foundation for the strategic plan
SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-
They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.
Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.
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A fleeing student covered a distance of 210 meters in 35 seconds. what is the student's speed in meters/second? what is the student's speed in meters/minute?
Explanation:
Given that,
A student covered a distance of 210 meters in 35 seconds.
We need to find the student's speed in meters/second and also in meters/minute.
Speed, v = distance (d)/time (t)
So,
\(v=\dfrac{210\ m}{35\ s}\\\\=6\ m/s\)
We know that, 1 minute = 60 seconds
\(6\dfrac{m}{s}=6\times \dfrac{m}{(\dfrac{1}{60})\ \text{minutes}}\\\\=360\ \text{meters/minutes}\)
Hence, the student's speed is 6 m/s or 360 meters/minute.
what its average distance (semimajor axis) from the sun?
The dwarf planet Eris orbits the Sun every 557 years. The average distance (semimajor axis) from the Sun is 67.7 a.u.
A line segment that passes through the center and periphery foci and terminates at the broadest points of the perimeter is known as an ellipse's main axis in geometry. The semi-major axis goes from the center via a focus and out to the periphery since it is one of the main axes. In essence, it is the radius of an orbit at its two farthest points. The radius serves as the semi-major axis for the unique instance of a circle. The semi-major axis can be compared to the long radius of an ellipse.
A line segment associated with most conic sections, such as ellipses and hyperbolas, and which forms right angles to the semi-major axis is known as the semi-minor axis (a semi-minor axis).
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According to Hooke's law, the force necessary to stretch or compress a spring is proportional to what value?
Answer:
displacement
Explanation:
Hookes Law describes the elastic properties of materials only in the range in which the force and displacement are proportional (displacement = change in length).
A cat runs 80 meters to the left in 16 seconds, then 50 meters to the right in 10 seconds, then 70 meters to the left in 14 seconds, then 40 m to the right in 8 seconds.
a. What was the distance travelled by the cat?
b. What was the displacement of the cat?
c. What was the average speed of the cat?
d. What was the average velocity of the cat?
Explanation:
a) Distance ➤ (80+50+70+40) m. ➤ Distance= 240m.
b) Displacement ➤ (50+40)m. ➤ Displacement= 90m
c) Average Speed ➤ Total distance travelled/total time taken
➤ 240/48
➤ 5 \(ms^{-1}\)
d) Average Velocity ➤ Total displacement/total time taken
➤ 90/48
➤ 1.875 \(ms^{-1}\)
What is different about parasitism compared to the other biological relationships such as mutualism, predation, competition, and commensalism?
Answer: parasitic organisms cause harm to other organisms.
Answer:
parasitic organisms cause harm to other organisms.
Explanation:
why the first hill of a roller coaster must be the tallest.
We know that the mechanical energy is conserved, that is:
\(K_i+U_i=K_f+U_f\)Which means that when the car is riding down the potential energy is being converted to kinetic energy; conversely, when the car is riding up the kinetic energy is being converted to potential energy.
Now, the first hill has to be the tallest so that at that point the car has the greater potential energy and for conservation of energy we make sure that the car can climb up all the remaining hills on the roller coaster without getting stopped and without having the need of making more work on the roller coaster.
Answer:
So the roller coaster can gain momentum.
Explanation:
a body with initial velocity 8 m/s moves along a straight line with constant acceleration and travels 744 m in 42 s. for this given time interval, find the acceleration in m/s2.
Answer: ACCELARATION = 0.462M/S²
Explanation: INITIAL VELOCITY (VI) = 8M/S
DISTANCE COVERED (S) = 744M
TIME (t) = 42 S
ACCELERATION (A)= ?
BY APPLYING 2ND EQUATION OF MOTION
S = VIT +1/2 AT²
744 = 8 X 42 +1/2 A X42²
744 - 336 = 1/2 A X 42²
408 X 2/1764 = A
A = 816 /1764
A = 0.462M/S²
For each beaker, determine how much the temperature changed in the first 100 seconds and how much it changed between 500 and 600 seconds. Compare this to the temperature difference between the beakers at the start of each interval. Value0–100 s interval500–600 s intervalBeaker A temperature changeBeaker B temperature changeTemperature difference between Beaker A and Beaker B at 0 seconds. Temperature difference between Beaker A and Beaker B at 500 seconds
Calculate the temperature change in each beaker during the course of the first 1 min and the next 500 to 600 seconds. Comparing this to
What does temperature in physics actually mean?
Many people have an obsession with checking a forecast to find out the day's temperature. The average kinetic energy of each molecule in a substance is measured by its temperature. Despite the fact that the two variables are closely related, it differs from heat.
What distinguishes an object's energy from its temperature?
As was mentioned, an object's energy is extensive while its temperature is intense. The block may still be hotter even if the liquid has more energy. (2) "Two things with equal heat in thermal equilibrium" improper use of heat. Energy is transferred by heat. Heat does not 'exist' in an object.
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An object dropped from rest, what will its velocity be after 30 s?
An object dropped from rest, its velocity be 294 m/s in downward direction after 30 s .
Kinematics is the study of the motion of mechanical points, bodies and systems without consideration of their associated physical properties and the forces acting on them.
initial velocity = u = 0
time = t = 30sec
g = acceleration due to gravity = 9.8 \(m/s^{2}\)
using equation of kinematics
v = u - g*t
v = 0 - 9.8 * 30
v = - 294 m/s
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gravitational attraction is the driving force for which processes?
Answer:
stellar fusion
Explanation:
formation of moons expansion of the universe formation of stars, formation of planets, formation of nebulae
From rest, a car accelerates to 4.2 m/s2 for 10 seconds before winning the race. How far did it run?
Write the final answer in complete sentence.
Answer:
\( s = ut + \frac{1}{2} a {t}^{2} \\ u = 0 \\ a = 4.2 \: m {sec}^{ - 2} \\ t = 10sec \\ s = 0 + \frac{1}{2} (4.2) {10}^{2} \\ = 1.2 \times 100 \\\boxed{ s = 120 \: m}\)
1. How do humans get energy from food?
A Small intestine is where most food is first taken into cells
B. There can be thousands of mitochondria inside cells
Waste products like carbon dioxide are released through the lungs
D Energy is released through a series of steps in the form of ATP
please help this is due today
Answer:
A
Explanation:
I took that test
Answer:
D
Explanation:
Through the process of cellular respiration, Energy in food is converted into energy that can be used by the body.
During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, energy is transferred to ATP
A cylindrical container is filled with oil to a depth of 32cm. If the pressure exerted at the base of the container is known to be 2560pa then, how much is the density of the oil?
Answer:
Ro = 815.5 [kg/m³]
Explanation:
We must use the following equation to find the hydrostatic pressure exerted on the bottom of the cylinder.
\(P=Ro*g*h\)
where:
P = pressure = 2560 [Pa]
Ro = density [kg/m³]
g = gravity acceleration = 9.81 [m/s²]
h = elevation = 32 [cm] = 0.32 [m]
\(2560=Ro*9.81*0.32\\Ro=815.5 [kg/m^{3} ]\)
Answer:
800kg/m^3
Explanation:
roh=2560/0.32m×10m/s^2
800kg/m^3
Change 32 cm to m to make it more easier.
Gravitational acceleration is 10m/s^2.
HOPE THAT I HELPED YOU!
An airplane's speed increased from 100m/s to 160m/s, at the average rate of 15m/s^2. How long did it take for the plane to complete this increase in speed?
Answer:
4s
Explanation:
Using the formula of motion as follows:
V = u + at
Where;
V = final velocity (m/s)
U = initial velocity (m/s)
a = acceleration (m/s)
t = time (s)
Based on the provided information, v = 160m/s, u = 100m/s, a = 15m/s², t = ?
V = u + at
160 = 100 + 15t
160 - 100 = 15t
60 = 15t
t = 60/15
t = 4seconds.
Therefore, the time it takes for the plane to complete this increase in speed is 4s.
MULTIPLE CHOICE QUESTION
Principal axis or optical axis is a virtual line that passes through
the center of the lens
the lower part of the lens
Principal axis or optical axis is a virtual line that passes through
the center of the lens.
What is lens?A lens is a transmissive optical tool that employs refraction to focus or disperse a light beam. A compound lens is made up of numerous simple lenses that are often aligned along a common axis, as opposed to a simple lens, which is made up of a single transparent piece.
Principal axis the line between the optical center and the centers of curvature of a lens's or a curved mirror's faces. Any one of three axis that are mutually perpendicular and around which a body has its greatest moment of inertia.
Principal axis or optical axis is a virtual line that passes through
the center of the lens.
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1. _____ determines the amount of force required to overcome the inertia of an object
a: weight
b: mass
Answer:
mass determines the amount of force required to overcome the inertia of an object.
An ostrich is running with a velocity of 12.3 m/s and speeds up to 15.9
m/s in 5.2 seconds. What is the ostrich's acceleration?
A 0.69 m/s2
B 1.4 m/s2
C -0.69 m/s2
D -1.4 m/s2
The acceleration of the ostrich when running from 12.3 m/s to 15.9 m/s in 5.2 seconds is 0.69 m/s².
What is acceleration?This can be defined as the rate of change of velocity.
To calculate the acceleration of the ostrich, we use the formula below.
Formula:
a = (v-u)/t............ Equation 1Where:
a = Acceleration of the ostrichv = Final velocityu = Initial velocityt = TimeFrom the question,
Given:
v = 15.9 m/su = 12.3 m/st = 5.2 secondsSubstitute these values into equation 1
a = (15.9-12.3)/5.2a = (3.6)/5.2a = 0.69 m/s²Hence, the acceleration of the ostrich is 0.69 m/s². The right option is A. 0.69 m/s².
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Calculate the amount of horizontal force needed to make a 0.4 kg soccer ball accelerate at 250 m/s2when kicked.
Answer:
100N
Explanation:
Force = Mass x Acceleration
Force = 0.4 kg x 250 m/s2
Force = 100N
A point charge produces an electric flux of +305 N⋅m2/C through a gaussian sphere of radius 15.0 cm centered on the charge. a What is the flux through a gaussian sphere with a radius 29.0 cm ?b What is the magnitude of the charge?
Given
The electric flux is
\(\phi=+305\text{ Nm}^2\text{ /C}\)Radius of the sphere,
\(r=15.0\text{ cm}\)To find
a. The flux through a gaussian sphere with radius of 29.0 cm.
b. The magnitude of the charge
Explanation
a. Since the gaussian sphere covers the same charge so the electric flux through both the sphere will be same.
Thus the required flux is
\(\phi=305\text{ Nm}^2\text{ /C}\)b.
The magnitude of the charge is
\(\begin{gathered} Q=\phi\epsilon_o \\ \Rightarrow Q=305\times8.85\times10^{-12} \\ \Rightarrow Q=30.97\times10^{-12}\text{ C} \end{gathered}\)Conclusion
a. The flux is
\(305\text{ Nm}^2\text{ /C}\)b. The charge is
\(30.97\times10^{-12\text{ }}C\)The law of conservation of energy states that energy cannot be:.
Answer:
chenged when not anet force
Tiny mass of 67kg and tubby mass of 83 kg are now on the opposite ends of a see saw and are both 1.4m from the balance point where should their sister teeny whose mass is 32 kg sit so the see saw balances
Answer:
0.7 m between the balance point and Tiny
Explanation:
It's intuitive to say she sould be on the side the smaller mass is placed. How far from the balance point?
Let's call x that distance. and assume that the contraption is "oriented" so that being on the side with tiny (and teeny) gives you a positive distance from the balance point, and negative on the other side.
At equilibrium, the sum of all momentums (momenta?) will be zero:
\(67\times 1.4 +32\times x + 83 \times (-1.4) = 0\\32x -16(1.4) = 0 \rightarrow 2x=1.4 x= 0.7\)
In layman's term, she has to be halfway between the balance point and Tiny.
What is the acceleration of a car that travels in a straight line at a constant speed of 100 km/h?
Answer: ZERO
Explanation:
zero
The acceleration of a car that travels in a straight line at a constant speed of 100 km/h is zero. Average acceleration = (change in velocity)/(time it takes). Since the car's change in velocity is zero, its acceleration is zero.
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Addressed the issue of stratospheric ozone depletion
Stratospheric ozone depletion refers to the reduction in the amount of ozone gas in the Earth's stratosphere, which is located at an altitude of about 10 to 50 kilometers above the Earth's surface.
Ozone depletion is caused by the release of certain chemicals into the atmosphere, such as chlorofluorocarbons (CFCs) and other ozone-depleting substances (ODSs). These chemicals react with and break down ozone molecules, reducing the amount of ozone in the stratosphere.
Ozone depletion has been identified as a serious environmental problem, as it can have significant impacts on human health, as well as on ecosystems and the environment as a whole. Increased exposure to ultraviolet (UV) radiation, which is normally absorbed by ozone in the stratosphere, can lead to skin cancer, cataracts, and other health problems in humans. It can also affect plant growth, marine ecosystems, and the climate system.
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