A small car and a heavy pickup truck are both out of gas.
Chapter 7, Problem 9MCQ(choose chapter or problem)
Problem 9MCQ
A small car and a heavy pickup truck are both out of gas. The truck has twice the mass of the car. After you push first the car and then the truck for the same amount of time with the same force, what can you say about the momentum and kinetic energy (KE) of the car and the truck? Ignore friction.
(a) They have the same momentum and the same KE.
(b) The car has more momentum and more KE than the truck.
(c) The truck has more momentum and more KE than the car.
(d) They have the same momentum, but the car has more kinetic energy than the truck.
(e) They have the same kinetic energy, but the truck has more momentum than the car.
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