Physics

Problem

A hockey puck of mass

0.20\,\text{kg}

is initially at rest. A constant horizontal force of

4\,\text{N}

acts on it for

0.50\,\text{s}

. What is the speed of the puck immediately after the force stops acting? a)

5\,\text{m/s}

10\,\text{m/s}

2\,\text{m/s}

20\,\text{m/s}