A block slides on a rough horizontal surface with an initial speed of

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

4\,\text{kg}

block slides on a rough horizontal surface with an initial speed of

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

. A constant horizontal force of

30\,\text{N}

is applied in the direction of motion, and the coefficient of kinetic friction between the block and the surface is

0.20

. Calculate the speed of the block after it has moved

6\,\text{m}