Acar moving with an initial speed v collides with a second
Chapter 9, Problem 70(choose chapter or problem)
Acar moving with an initial speed v collides with a second stationary car that is one-half as massive. After the collision the rst car moves in the same direction as before with a speed v/3. (a) Find the nal speed of the second car. (b) Is this collision elastic or inelastic?
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