A mass of 6.0 kg moving at collides head on with a stationary mass of 8.0 kg

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Linear Momentum · Linear Momentum

Problem

A mass of 6.0 kg moving at

14 \text{ m s}^{-1}

collides head on with a stationary mass of 8.0 kg. The lighter mass rebounds with a speed of

2.0 \text{ m s}^{-1}

. Is this collision elastic?