A car with a mass of 1290 kilograms is being driven at 17.9 meters per second when it runs into a tree. a. What is the change in kinetic energy of the car? Include units in your answer b. What work is done in pushing in the front of the car? Include units in your answer c. If the front of the car is pushed in 44.4 centimeters, what is the magnitude of the force exerted on the car? Include units in your answer.
A car with a mass of 1290 kilograms is being driven at 17.9 meters per second when it runs into a tree. a. What is the change in kinetic energy of the car? Include units in your answer b. What work is done in pushing in the front of the car? Include units in your answer c. If the front of the car is pushed in 44.4 centimeters, what is the magnitude of the force exerted on the car? Include units in your answer.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 7PE: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...
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A car with a mass of 1290 kilograms is being driven at 17.9 meters per second when it runs into a tree.
a. What is the change in kinetic energy of the car? Include units in your answer
b. What work is done in pushing in the front of the car? Include units in your answer
c. If the front of the car is pushed in 44.4 centimeters, what is the magnitude of the force exerted on the car? Include units in your answer.
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