Answers
Answer: 16 Pounds.
To figure out how much YOU would weigh on the moon, take your weight and divide it by 6. So, if you weighed 100 pounds on Earth, you would weigh only about 16 pounds on the moon.
Related Questions
what Is accuracy ............
Answers
Answer:
Accuracy is how much the consequence of an estimation adjusts to the right worth or a norm' and basically alludes to how close an estimation is to its concurred esteem
《OAmalaOHopeO》
Answer:
In a set of measurements, accuracy is closeness of the measurements to a specific value, while precision is the closeness of the measurements to each other.
Explanation:
_Hope it helps you_
what do folds on a strip of paper mean
Answers
A physical science student is building a battery with two metal plates. The table below shows a list of
metals and their electron affinity given in electron volts, eV.
Metal Electron Affinity (electron volts, eV)
Calcium - 2.87
Zinc
-0.76
Lead -0.13
Copper +0.34
The student has a copper plate. When paired with copper, which metal plate will produce a higher
voltage?
O Calcium
OZinc
O Lead
O Copper
Answers
When paired with copper, the metal plate that will produce a higher voltage is a) Calcium.
The voltage produced in a battery is related to the difference in electron affinity between the two metals used as electrodes. A greater difference in electron affinity results in a higher voltage.
In this case, the electron affinity of copper is +0.34 eV. Among the given options, calcium has the highest electron affinity with -2.87 eV. The difference between the electron affinities of copper and calcium is the greatest among the options, indicating a larger potential difference and thus a higher voltage when paired together.
Therefore, when paired with copper, the calcium plate will produce a higher voltage compared to zinc, lead, or another copper plate. Therefore, Option a is correct.
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The question was incomplete. find the full content below:
A physical science student is building a battery with two metal plates. The table below shows a list of
metals and their electron affinity given in electron volts, eV.
Metal Electron Affinity (electron volts, eV)
Calcium - 2.87
Zinc
-0.76
Lead -0.13
Copper +0.34
The student has a copper plate. When paired with copper, which metal plate will produce a higher
voltage?
A. Calcium
B. Zinc
C. Lead
D. Copper
How much more current can safely be drawn from a 120 V outlet fused at 15 A if a 600 W curling iron and a 1200 W hair dryer are operating in the circuit.
Answers
First we must calculate the current power the curling iron can handle:
\(P=I\times V\)where
I = current
V = tension
Then:
\(\begin{gathered} 600=I\times120 \\ I=5A \end{gathered}\)For the hair dryer we get:
\(\begin{gathered} P=I\times V \\ 1200=I\times120 \\ I=10A \end{gathered}\)Lets suppose all appliances are working in parallel together. The total current must be:
\(\begin{gathered} I=I_1+I_2 \\ I=5+10 \\ I=15A \end{gathered}\)As we can see the appliances are drawning all current from the outlet fused.
Answer: the current that can be safely drawn from the outlet fused is zero.
If the slump and subsequent flow continue migrating uphill and more material flows downhill, which of the following are a hazard? (select all that apply)
A. The homes will be damaged.
B. The roadway will be damaged.
C. Utility power poles will be damaged.
D. More agricultural land will be unfarmable.
Answers
The hazard from more material flows downhill are:
The roadway will be damaged.More agricultural land will be unfarmable.Utility power poles will be damagedWhat is Hazard?This is a condition which has the potential to cause damage or injury to a person or property.
Materials flowing downward means that there will erosion which may damage the roads, land for agriculture and utility poles.
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Larry sees a group of people weeping, with frowns on their faces and their eyes turned down. Larry their expressions to understand that they are feeling sadness.
Select one:
a. misinterprets
b. decodes
C. encodes X
d. recodes
Answers
Answer:
c
Explanation:
no need explanation u can trust me
7. A tennis ball thrown horizontally from the top of a water tower lands 20.0 m from the base of the tower. If the tennis ball is initially thrown at a velocity of 10.0 m/s: (a) how long does it take the tennis ball to reach the ground? (b) how high is the water tower? (b) how far away was the golfer from the hole when he hit the ball? A championship goffer uses a nine iron to chip a shot right into the cup. If the golf ball is launched at a velocity of 20m / s at an angle of 60 deg above the horizontal: (a) how long was the ball in the air? (c) what maximum height did the ball reach?
Answers
Time taken by the tennis ball to reach the ground is 1.23 second, if the initial velocity is 10.0 m/s.
Velocity is the time price at which an object is transferring alongside a route, even as the pace is the fee and path of an item's motion. put some other manner, velocity is a scalar price, at the same time as velocity is a vector.
Speed is the speed at which something moves in a particular direction. for instance as the rate of a car traveling north on a motorway, or the rate a rocket travels after launching. In a scalar way, absolutely the value magnitude of the velocity vector is continually the velocity of the motion.
Speed is a vector expression of the displacement that an item or particle undergoes with appreciation to time. the standard unit of speed magnitude (also known as velocity ) is the meter consistent with 2nd (m/s).
The top of a water tower lands 20.0 m
initial velocity = 10.0 m/s
time required to reach the ground =
S = ut + 1/2 at²
20 = 10t + 5t²
t = 1.23 second
The water is at a height of 20 m.
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An insulated aluminium calorimeter with a mass of 154 g, contains 90 ml of water at a temperature of 80°C 10 g of ice at -20°C is added to the water and the mixture stirred until the ice has dissolved. What is the final temperature of the water? (specific heat aluminium = 880 JkgK¹)
Answers
The final temperature of the water is approximately 19.8°C.First, we need to calculate the heat lost by the water as it cools down from 80°C to the final temperature.
What formula is used?We can use the formula: Q = m × c × ΔT where Q is the heat lost, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature.
The mass of water in the calorimeter is:
90 ml = 90 g
The heat lost by the water is:
Q1 = 90 g × 4.18 J/g°C × (80°C - T)
Q = m × Lf + m × c × ΔT
The mass of ice added to the water is 10 g. The heat gained by the ice is:
Q2 = 10 g × 334 J/g + 10 g × 4.18 J/g°C × (T - (-20°C))
where 334 J/g is the heat of fusion of water.
Since the calorimeter is insulated, we know that the heat lost by the water must equal the heat gained by the ice. Therefore:
Q1 = Q2
90 g × 4.18 J/g°C × (80°C - T) = 10 g × 334 J/g + 10 g × 4.18 J/g°C × (T - (-20°C))
Simplifying and solving for T, we get:
T = 19.8°C
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If dx denotes the change in position of an object and dt denotes the corresponding time interval, then instantaneous velocity is given by:
Answers
Answer:
\(Velocity=\frac{dx}{dt}\)
Explanation:
Remember that instantaneous velocity is just a measure to know the velocity that any object has at any point given in time, so we just need to know the distance it has travel, which would be the change in position, and the time it took that change in position to occurr, this means distance by time, so we just divide dx by dt and we have the solution for instantaneous velocity.
If a change in position as denoted by \(dx\) and \(dt\) change in time, the instantaneous velocity will be given by,
\(v = \dfrac {dx}{dt}\)
What is Velocity?It can be defined by the change in position of the object over time. This is a vector quantity. Vector quantity is a quantity that has both magnitude and direction.Instantaneous velocity:The velocity of the object at a point of time is known as instantaneous velocity. Instantaneous velocity can be calculated by the ratio of change in position to the elapsed point of time.
\(v = \dfrac {dx}{dt}\)
Where,
\(v\) - instantaneous velocity
\(dt\) - change in distance (position)
\(dt\)- change in time
Therefore, if a change in position as denoted by \(dx\) and \(dt\)change in time, the instantaneous velocity will be given by,
\(v = \dfrac {dx}{dt}\)
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Mr. Daumer wants to create a magnet. He attaches a battery to a metal wire and
wants to wrap the wire around an object. Which object should he wrap the wire around?
a) A battery
b) A pencil
c) A ruler
d) A piece of steel metal.
Answers
Complete the missing information from the circuit
Answers
From the first circuit (see attached), it is correct to state that I₄ = 40mA. See the explanation below.
What is a circuit?A path that is designed to transport electric current is that is referred to as a circuit.
How do we compute for the missing details?I = 200mA
= 20mA + 140mA + I₄
I₄ = 200 - 160
I₄ = 40mA
From the above, we can rightly posit:
R₄ = 3/(40x 10⁻³)
= 75 Ω
Hence
V₆ = V₄ - V₅
= 3v - 2v
= 1v
R₆ therefore, =
V₆/I₆
= 1/ (40 x 10 ⁻³)
= 14.28 Ω
I₃ = I₄ + I₆
= 40 + 140
= 180mA
R₃ = 9/(180 x 10⁻³)
= 50Ω
R₂ = 12/20 x (10⁻³)
= 60 Ω
Then,
Vbattery =
200 x 10⁻³ x90
= 18 volts
The above indices is used to complete the image. See Circuit Image II.
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Which statement is true?
A)
All waves travel at the same speed through any medium.
B)
All waves travel at the same speed if no medium is present.
Electromagnetic waves require a medium, but mechanical waves do not.
D)
Mechanical waves require a medium, but electromagnetic waves do not
Answers
Answer:
B.
Explanation:
Hope I helped :))
Mention the importance of energy. the answer should be like of social studies
Answers
Let's mention the importance of energy.
Energy can be said to be the capacity/ability to do work.
We have different forms of energy, which are:
• Kinetic energy
,• Thermal energy
,• Potential energy
,• Chemical energy
,• Electrical energy,...etc
In the average human life, energy is very important. It is impossible to complete our basic everyday tasks without the use of energy.
Some importance of energy are listed below:
• 1. ,Electrical energy is used to generate the electricity we use everyday.
,• 2. Thermal energy helps in the generation of heat which can be used in cooking.
,• 3. Energy can also be used to cool or heat our homes.
,• 4. Mechanical energy helps in the movement of our vehicles.
,• 5. Plants use the energy from the sun to grow.
ANSWER:
• 1,. ,Electrical energy is used to generate the electricity we use in our homes.
,• 2. Thermal energy helps in the generation of heat which can be used in cooking.
,• 3. Energy can also be used to cool or heat our homes.
,• 4. Mechanical energy helps in the movement of our vehicles.
,• 5. Plants also use the energy from the sun to grow.
Where is the moon? Please help?
Answers
Pushing a chair is a law of______?
A. Law of friction
B. Law of interaction
C. Law of acceleration
D. Law of universal gravitation
please help..
Answers
Answer:
A.Law of friction
Explanation:
because friction is the move chair floor
Two identical fires are built. One is built inside a wood burning stove while the other is built outside in a fire pit. A person standing in front of the wood stove feels warmer a lot quicker than a person standing the exact same distance from the fire pit would. Describe why this is in terms of thermal energy, heat, and heating methods.
Answers
Answer:
The person standing in front of the wood stove feels warmer a lot quicker than the person standing the same distance from the fire pit because of the way heat is being transferred from the fire to the person.
In the wood stove, thermal energy from the burning wood is transferred to the surrounding air, which is then forced out of the stove by convection. This convection creates a steady flow of hot air that heats up the surrounding space, including the person standing in front of the stove. This is a very efficient method of heating because the hot air is forced to circulate and distribute the heat throughout the space.
In contrast, in the fire pit, the thermal energy from the burning wood is transferred primarily by radiation. This means that the heat from the fire travels through the air in straight lines until it comes into contact with an object, like the person standing in front of the fire pit. While radiation is an effective way of transferring heat, it is not as efficient as convection because it doesn't circulate the hot air throughout the space as efficiently.
Furthermore, the wood stove is enclosed and designed to contain the heat within the stove. This means that less heat is lost to the surrounding environment and more heat is directed towards the person in front of the stove. In contrast, the fire pit is open and exposed, which means that much of the heat is lost to the surrounding environment and less heat is directed towards the person standing in front of the fire pit.
Therefore, the wood stove is a more efficient and effective method of heating because it uses convection to circulate the hot air and contains the heat within the stove, resulting in a faster and more intense warming effect on the person standing in front of it.
an aircraft with a landing speed of 295km/h lands on an aircraft carrier with a landing area 205m long. find the minimum constant decleration required for a safe landing
Answers
Answer:
20.38 m/s^2 deceleration
Explanation:
295 km/hr = 91.94 m/s
v goes from 91.94 to 0 average v = 40.97 m/s
d = vt
205 = 40.97 t t = 5 seconds
d = vo t - 1/2 a t^2
205 = 91.94 ( 5) - 1/2 (a)(5^2)
a = 20.38 m/s^2 (DECELERATION)
What is the importance of science to your life?
Answers
Answer:
The beauty of science is everywhere.
Explanation:
science is extremely important and you see it all around you. For instance you need knowledge of chemistry to create medication in order to help cure the sick. Knowledge of physics is needed in order to construct building or vehicles.
make sure to ask if you need anymore examples or proof :)
A vector A has components Ax = −5.50 m and Ay = 7.50 m. Find the magnitude (in m) and the direction (in degrees counterclockwise from the +x-axis) of the vector.magnitude mdirection ° counterclockwise from the +x-axis
Answers
The x-component of vector A is Ax = -5.50 m
The y-component of vector A is Ay = 7.50 m
We are asked to find the magnitude and the direction of the vector (counterclockwise from the +x-axis)
The magnitude of vector A is given by
\(\begin{gathered} |A|=\sqrt[]{A_x+A_y} \\ |A|=\sqrt[]{(-5.50)^2+(7.50)^2_{}} \\ |A|=\sqrt[]{30.25+56.25} \\ |A|=\sqrt[]{86.50} \\ |A|=9.3\; m \end{gathered}\)So, the magnitude of vector A is 9.3 m
First, let us draw a diagram to better understand the problem.
The direction of vector A is given by
\(\begin{gathered} \tan \theta=\frac{A_y}{A_x} \\ \tan \theta=\frac{7.50}{-5.50} \\ \theta=\tan ^{-1}(\frac{7.50}{-5.50}) \\ \theta=-53.75\degree \end{gathered}\)From the diagram, notice that θ lies in the second quadrant.
So, the counterclockwise direction from the positive x-axis is given by
\(180\degree-53.75\degree=126.25\degree\)So, the direction is 126.25° counterclockwise from the +x-axis.
can someone tell me if my answer correct?
Answers
Answer:
yes
Explanation:
yes to my best known knowledge I am thinking that your answer is correct
A car speeds up from 3 m/s to 10 m/s in 8 s. How far does the car travel while doing this? 2. A
Answers
Initial velocity=u=3m/s
Final velocity=v=10m/s
Time=t=8s
\(\boxed{\sf Acceleration=\dfrac{v-u}{t}}\)
\(\\ \sf\longmapsto Acceleration=\dfrac{10-3}{8}\)
\(\\ \sf\longmapsto Acceleration=\dfrac{7}{8}\)
\(\\ \sf\longmapsto Acceleration=0.8m/s^2\)
Distance =sUsing second equation of motion
\(\\ \sf\longmapsto s=ut+\dfrac{1}{2}at^2\)
\(\\ \sf\longmapsto s=3(8)+\dfrac{1}{2}(0.8)(8)^2\)
\(\\ \sf\longmapsto s=24+0.4(64)\)
\(\\ \sf\longmapsto s=24+25.6\)
\(\\ \sf\longmapsto s=49.6m\)
a plane wall is 250mm thick and it's wall area is 4.5m^2. if the thermal conductivity is 9.35w/m°c and surface temperature are steady at 150°c and 40°c. calculate the heat flow across the plane wall and the temperature gradient in the flow direction
Answers
The temperature gradient in the flow of direction is 294525 W.
What is Temperature gradient?A temperature gradient is the gradual variance in temperature with distance. The slope of the gradient is consistent within a material. A gradient is established anytime two materials at different temperatures are in physical contact with each other.
Q= T/( L/ KA)
Q= ( 1500 − 450) / 0.15 / 9.35v * 4.35)
= 294525 W
Units of measure of temperature gradients are degrees per unit distance, such as °F per inch or °C per meter.
Many temperature gradients exist naturally, while others are created. The largest temperature gradient on Earth is the Earth itself. Q= T/Ka.
Therefore, The temperature gradient in the flow of direction is 294525 W.
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Need help with dot product
Answers
\(\textbf{A}\cdot\textbf{B} = 11.5\)
Explanation:
The dot product between two vectors \(\textbf{A}\) and \(\textbf{B}\) is defined as
\(\textbf{A}\cdot\textbf{B} = AB\cos{\theta}\)
where A and B are the magnitudes of the vectors \(\textbf{A}\) and \(\textbf{B},\) respectively and \(\theta\) is the angle between the two. Since A = 3, B = 5 and \(\theta = 40°,\) the dot product \(\textbf{A}\cdot\textbf{B}\) is
\(\textbf{A}\cdot\textbf{B} = (3)(5)(0.766) = 11.5\)
A ship travels 2200 m, east in 425 s. If the ship's initial velocity is
5.7 m/s, east, what is the ship's acceleration?
Answers
The acceleration of the ship is –0.0012 m/s²
What is acceleration?This is defined as the rate of change of velocity which time. It is expressed as
a = (v – u) / t
Where
a is the acceleration v is the final velocity u is the initial velocity t is the time How to de terminate final velocityDisplacement = 2200 m eastTime = 425 sVelocity = ?Velocity = displacement / time
Velocity = 2200 / 425
Velocity = 5.2 m/s
How to determine the acceleration of the shipThe acceleration of the ship can be obtained as follow:
Initial velocity (u) = 5.7 m/sFinal velocity (v) = 5.2 m/sTime (t) = 425 sAcceleration (a) =?a = (v – u) / t
a = (5.2 – 5.7) / 425
a = –0.5 / 425
a = –0.0012 m/s²
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When the material in the mantle cools off near the surface then sinks
down towards the core and get heated again and rises back towards the
surface it is called?
Condensation
О
The water cycle
O
Convection currents
О
Apples and Bananas.
PLEASE HELP THIS IS URGENT ITS FOR A TEST
Answers
Answer:
convection currents
Explanation:
The tailgate of a car is supported by the hydraulic lift BC. If the lift exerts a 132-lb force directed along its centerline on the ball and socket at B, determine the moment of the force about A.
Answers
The moment of the force about point A found using the moments formula, \(|M| = |F| \cdot \: d \perp\) is 67.695 ft–lb.
What is the moment of a force?The moment of a force is the turning effect of the force about a point.
The moment of the force is given by the formula;
\(|M| = |F| \cdot \: d \perp\)
Where;
d = The perpendicular distance from the point to the line of action of the force.
The length of the sides of ∆ABC are;
AB = √(20.5²+4.38²) ≈ 20.9626907
BC = √(17.2²+7.62²) ≈ 18.812347
AC = √((7.62+4.38)²+(20.5-17.2)²) ≈ 12.4454811
The semi–perimeter of triangle ABC = (20.9626907 + 18.812347 + 12.4454811)/2 ≈ 26.1102594
The area, A, of triangle ∆ABC found using Heron's formula is therefore;
A = √((26.1102594×(26.1102594-20.9626907)×(26.1102594-18.812347)×(26.1102594-12.4454811)) ≈ 115.773
The perpendicular distance, d, from point A to BC is therefore;
d = A/(BC)
Which gives;
d = 115.773/18.812347 ≈ 6.15409696
The magnitude of the moment about point A is therefore;
M = 132 lb × 0.51284138 ft. ≈ 67.695 ft.–lb
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What is the voltage of a circuit with power 12 W and current 2
A?
Answers
Answer:
6 v
Explanation:
power = watts
watt = voltage * current
12 = v * 2
v = 6 v
20) At some point along the direct path from the center of the Earth to the center of the Moon, the gravitational force of attraction on a spacecraft from the Moon becomes greater than the force from the Earth. (a) How far from the center of the Earth does this occur? (b) At this location, how far is the spacecraft from the surface of the Moon? How far is it from the surface of the Earth?
Answers
At some point along the direct path from the center of the Earth to the center of the Moon, the gravitational force of attraction on a spacecraft from the Moon becomes greater than the force from the Earth.
(a) How far from the center of the Earth does this occur?
The distance from the center of the Earth to the point at which the gravitational force of attraction from the Moon is greater than the force from the Earth is given by
\(\frac{GM}{x^2}=\frac{Gm}{(L-x)^2}\)Where M is the mass of the Earth.
m is the mass of the Moon.
G is the gravitational constant.
L is the distance between the Earth and the Moon.
x is the distance that we need to find out.
Let us simplify the above equation,
\(\begin{gathered} \frac{GM}{x^2}=\frac{Gm}{(L-x)^2} \\ \frac{M}{x^2}=\frac{m}{(L-x)^2} \\ \frac{M}{m}=\frac{x^2}{(L-x)^2} \\ \frac{M}{m}=(\frac{x}{L-x^{}})^2 \end{gathered}\)The ratio of Earth's mass to the Moon's mass is (M/m = 81)
\(\begin{gathered} 81=(\frac{x}{L-x^{}})^2 \\ \sqrt{81}=\sqrt{(\frac{x}{L-x^{}})^2} \\ 9=\frac{x}{L-x} \\ 9L-9x=x \\ 10x=9L \\ x=\frac{9L}{10} \end{gathered}\)The distance between the Earth and the Moon is L = 384400 km
\(\begin{gathered} x=\frac{9\cdot384400}{10} \\ x=345960\; km \end{gathered}\)Therefore, the gravitational force of attraction on a spacecraft from the Moon becomes greater than the force from the Earth at a distance of 345960 km from the center of the Earth does this occur.
(b) At this location, how far is the spacecraft from the surface of the Moon?
The distance between the spacecraft from the surface of the Moon is given by
\(d_{moon}=L-x-r\)Where r is the radius of the Moon that is 1740 km
Substituting all the known values into the above equation, we get
\(\begin{gathered} d_{moon}=L-x-r \\ d_{moon}=384400-345960-1740 \\ d_{moon}=36700\; km \end{gathered}\)Therefore, the distance between the spacecraft from the surface of the Moon is 36700 km
How far is it from the surface of the Earth?
The distance between the spacecraft from the surface of the Earth is given by
\(d_{earth}=x-R\)Where R is the radius of the Earth that is 6370 km
\(\begin{gathered} d_{earth}=x-R \\ d_{earth}=345960-6370 \\ d_{earth}=339590\; km \end{gathered}\)Therefore, the distance between the spacecraft from the surface of the Earth is 339590 km
A spring oscillates with a frequency of 2.09 Hz. What is its period?
(Unit=s)
Answers
Time period of a wave is the inverse of its frequency. The period of the wave with a frequency of 2.09 Hz is 0.47 seconds.
What is frequency ?Frequency of a wave is the number of wave cycles per unit time. Frequency is the inverse of the time period of the wave. Hence, it has the unit of s⁻¹ which is equivalent to Hz.
The higher frequency of a wave indicates more number of wave cycles in a short time. Frequency is directly proportional to the energy and inversely proportional to the wavelength.
Given the time period of the wave = 2.09 Hz
then frequency = 1/2.09 Hz = 0.47 s.
Therefore, the time period of the wave is 0.47 seconds.
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A car traveling at 3500 m/s is to stop on a 35-meter long shoulder of the road. What minimum deceleration is required?
Answers
The minimum deceleration required to stop the car in 35 meters is 40000 m/s^2.
What is deceleration?Deceleration is defined as the decrease in speed as the body moves away from the starting point.
The minimum deceleration required can be calculated using the equation of motion:
d = v^2 / (2 * a)
where d is the distance, v is the initial velocity, and a is the acceleration.
Rearranging the equation to solve for a:
a = v^2 / (2 * d) = (3500 m/s)^2 / (2 * 35 m) = 40000 m/s^2
In conclusion, , the minimum deceleration required to stop the car in 35 meters is 40000 m/s^2.
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