True or False: Reducing the weight of a car will reduce how much energy the car needs tomove.Explain your answer.True because as mass decreases, the amount of kinetic energy increases.False because as mass decreases, so does the amount of kinetic energyFalse because as mass decreases, the amount of kinetic energy increases.True because as mass decreases, so does the amount of kinetic energy

The energy required to move the car is directly proportional to the mass of the car.

Answered: True or False: Reducing the weight of a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Please explain step by step, thanks.
A 1000 kg car traveling at 40 m/s slows to 15 m/s. What is the initial kinetic energy of the car? What is the final kinetic energy of the car? How much work is done on the car in slowing it down? What force does the work on the car? As solved when asked in a different question, I know that the initial kinetic energy is 800,000 J, the final kinetic energy is 112,500 J, and the work is -687500 J. How ever i still need the force.
Garfield and Jon fought. To patch things up with Jon, Garfield caught a mouse who was eating Jon’s favorite cheese in the last few days. While the mouse was sleeping on a rug, Garfield put a cage on it and drag the rug towards Jon with a constant horizontal force of 4 N at a constant speed . If Garfield’s force did work at a rate of 8 W, How fast was he pulling on the rug? How much work did Garfield do in 5 s?
Practice Worksheet/Reference Sheet Information: Consider a 2-kg bowling ball that sits on top of a building that is 40 meters tall. It falls to the ground. Think about the amounts of potential and kinetic energy the bowling ball has: as it sits on top of a building that is 40 meters tall. as it is halfway through a fall off a building that is 40 meters tall and traveling 19.8 meters per second. as it is just about to hit the ground from a fall off a building that is 40 meters tall and traveling 28 meters per second. Question 2 What is the mass of the bowling ball is ____ The height of the building is ______ Question 3 What is the gravitation constant value here on earth? Question 4 Does the bowling ball have more potential energy or kinetic energy as it sits on top of the building? Why? Question 5 Does the bowling ball have more potential energy or kinetic energy as it is halfway through its fall? Why? Question 6 Does…
What is absolute zero? What is kinetic energy and potential energy? Give examples. You have a ball in your hand above the ground at rest which you then drop. What energy is involved in each part of this situation and how do we know that total mechanical energy has been conserved? Explain with and without air resistance present. A boulder and a pebble are sitting on a cliff, which has greater gravitational potential energy and why? A cheetah and a person are racing, both has the same mass, which has a greater kinetic energy and why? What is temperature? How does an objects temperature relate to motion of the molecules? What is heat? Describe thermal expansion/contraction. When temperature rises, which one occurs? I have a 2kg ball on a cliff 10m high. If the gravitational acceleration on this planet is 4m/s2, what is the GPE of the ball? A 2kg ball is rolled at 3m/s. What is the KE of the ball? What is work? And what are the units for work? How does this…
Solve using Ordinary differential equation.
Garfield and Jon To patch things up with Jon, Garfield caught a mouse who was eating Jon’s favorite cheese in the last few days. While the mouse was sleeping on a rug, Garfield put a cage on it and drag the rug towards Jon with a constant horizontal force of 4 N at a constant speed ?. If Garfield’s force did work at a rate of 8 W, How fast was he pulling on the rug? How much work did Garfield do in 5 s?
8.Two cannonballs were fired at the same speed. If the cannonball 2 has a mass that is twice the mass of cannonball 1, what is the kinetic energy of cannon ball 2? (Assume that the kinetic energy of cannon ball 1 is equal to K) 0.25K 0.5K 0.71K K 2K
A car accelerates from 10 km/hr to 40 km/hr, how much does its kinetic energy change? a) KE doubles, b) KE quadruples, c) KE increases eightfold, d) KE is cut in half, or e) you would need to know the mass of the car to determine the change in KE.
Direction: Solve the following problems. Show your complete solution and box your final answer. Calculate the kinetic energy of a body which has a mass of 5 kg and a velocity of 10m/s
When plotting a particular kind of energy on a graph, when can we use the equation for the energy (for example, mv² for kinetic energy) to determine the shape of the energy graph? Never, because we have to take into account the other kinds of energy in the system to determine the shape Sometimes, if there are only two kinds of energy in the system Never, because the shape of an energy graph is not related the equation for that kind of energy Sometimes, if the horizontal axis on the graph is labeled with the indicator of the energy type Always, because the shape of a graph always depends on the equation, even if the variables in the equation do not appear on the graph Always, because we are allowed decide where to place y = 0
Please solve and answer the question correctly. Thank you!

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