A cart moving at collides with a cart that is initially at rest on a frictionless track

PHYSICS · Subjective · AP · Physics C: Mechanics · Linear Momentum · Linear Momentum

Problem

2.0\,\text{kg}

cart

A

moving at

4.0\,\text{m s}^{-1}

collides with a

3.0\,\text{kg}

cart

B

that is initially at rest on a frictionless track. If the coefficient of restitution for the collision is

0.5

, calculate the speed of each cart immediately after impact.