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April 18, 2014

Homework Help: physics

Posted by Meg on Wednesday, February 15, 2012 at 5:39pm.

Consider two cars, a very large one like a Hummer (mass 5m) and a small one like a Mini Cooper (mass m), both starting at the same point race toward the edge of a cliff. Assume that each car is accelerated by a constant force (same size force on each car) to the edge of the cliff.
A. which car has the greater acceleration?
B. Which car takes longer to reach the edge?
C. Which car has the larger impulse imparted to it by the applied force?
D. Which car has the greater momentum at the edge ?
E. WHich car has the greater work done on it?
F. Which car has the greater kinetic energy at the edge of the cliff?

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