A trolley travelling at collides head-on with a trolley moving in the opposite…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Linear Momentum · Linear Momentum

Problem

4\,\text{kg}

trolley travelling at

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

collides head-on with a

2\,\text{kg}

trolley moving in the opposite direction at

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

. If the coefficient of restitution is

0.5

, calculate the loss of kinetic energy during the collision. (a)

84\,\text{J}

(b)

132\,\text{J}

(c)

65\,\text{J}

(d)

98\,\text{J}