Physics

Problem

2\,\text{kg}

block initially at rest is pushed along a smooth horizontal surface by a constant horizontal force of

10\,\text{N}

through a distance of

5\,\text{m}

. Find the speed of the block after it has moved

5\,\text{m}

. a)

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

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

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

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