A lighter car and a heavier truck, each traveling to the right with the same speed $ v $ hit their brakes. The retarding frictional force F on both cars turns out to be constant and the same. After both vehicles travel a distance $ D $ (and both are still moving), which of the following statements is true?

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A lighter car and a heavier truck, each traveling to the right with the same speed $ v $ hit their brakes. The retarding frictional force F on both cars turns out to be constant and the same. After both vehicles travel a distance $ D $ (and both are still moving), which of the following statements is true?(a) They will traverse the distanced in the same time.
, (b) They will have the same velocity.
, (c) The work done on both vehicles is the same.
, (d) The average power expended is the same.
, (e) They will have the same kinetic energy
:

Jason · Accepted Answer

See how Prof Phy solves this.

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