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During an icy winter day two cars collide on a frictionless road. Car 2 is 4...

During an icy winter day two cars collide on a frictionless road. Car 2 is 4 times the mass of car 1. Before the collision, car 2 is moving to the left at a speed of v0 and car 1 is moving to the right at twice that speed, 2v0 . After the collision car 2 keeps going to the left but at a quarter of its initial speed, 1 4v0 . a Find the speed of car 1 immediately after the collision. (Your answer will be in terms of v0.) b At what height did car 2 have to be so that if it slid down the frictionless hill from rest at A its speed at the bottom of the hill was v0 = 21.6 km/hr? You must use good technique! For any application of energy or momentum you must define the system. Clearly set up the problem starting from a standard equation. Be sure to state the physics, to what and why it applies.

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genius_generous answered 2 years ago
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