Question: A 2-kg object moving at 6 m/s collides with a 4- kg object that is initially at rest. After the collision, the 2-kg object moves

A 2-kg object moving at 6 m/s collides with a 4- kg object that is initially at rest. After the collision, the 2-kg object moves backward at 1 m/s.

(a) Find the velocity of the 4-kg object after the collision.

(b) Find the energy lost in the collision.

(c) What is the coefficient of restitution for this collision?

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