A block of mass is moving with a constant acceleration on a rough plane. If the coefficient of friction between the block and the ground is mu, the power delivered by the external agent after a time t from the beginning is equal to

A block of mass is moving with a constant acceleration on a rough plan

1.	A block of mass is moving with a constant acceleration on a rough plane. If the coefficient of friction between the block and the ground is mu, the power delivered by the external agent after a time t from the beginning is equal to
Answer» `ma^(2)t` `MU m G a t` `mu m(a+mug) g t` `m(a+mug) a t` ANSWER :D