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July 28, 2015

Homework Help: PHYSICS

Posted by Judith on Tuesday, October 15, 2013 at 7:58pm.

A 970kg car is at the top of a 38m -long, 2.5 ∘ incline. Its parking brake fails and it starts rolling down the hill. Halfway down, it strikes and sticks to a 1280kg parked car.

Ignoring friction, what's the speed of the joined cars at the bottom of the incline?

What the first car's speed would have been at the bottom had it not struck the second car.

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