A block initially at rest is pushed along a smooth horizontal surface by a constant…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

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}

. What is its speed at the end of the push? (a)

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

(b)

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

(c)

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

(d)

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