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

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

2\,\text{kg}

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

10\,\text{N}

for a distance of

5\,\text{m}

. Calculate the speed of the block after it has moved the given distance. (a)

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

(b)

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

(c)

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

(d)

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