Question

A block is pushed momentarily on a horizontal surface with initial velocity $v$. If $\mu$ is the coefficient of sliding friction between the block and surface, the block will come to rest after time ______.

($g$ =acceleration due to gravity)

• A. $\frac{v}{\mu g}$
• B. $\frac{vg}{\mu }$
• C. $\frac{v\mu }{g}$
• D. $\frac{\mu g}{v}$

Answer 1

The correct option is A $\frac{v}{\mu g}$