A block B is pushed momentarily along a horizontal surface with an initial velocity v . If is the coefficient of sliding friction between B and the surface, block B will come to rest after a time

Step-by-step solution

Block B will come to rest, if force applied to it will vanish due to frictional force acting between block B and surface, i e , force applied = frictional force ie, m g=m a or aligned m g & =m ( v t ) t & = v g aligned