A man exerts a force of 200N in pulling a cart at a constant speed of `16m//s` Calculate the power spent by the man.

A man exerts a force of 200 N in pulling a cart at a constant speed of 16 m s^(-1) .Calculate the power spent by the man.

Rajan exerts a force of 150 N in pulling a cart at a constant speed of 10 m s^(-1) .Calculate the power exerted.

An ox can a maximum force of 1000 N.It is taking part in a cart race and is able to pull the cart at a constant speed of 30 ms^(-1) while making its best effort.Calculate the power developed by the ox.

A ship is sailing towards east in a traight line motion, with a speed of 10m//s . A man on the deck is moving across it , towards north, with a speed of 6 m//s calculate the velocity of the man relative to the sea.

The total mass of an elevator with a 80 kg man in it is 1000 kg. This elevator moving upward with a speed of 8 ms^-1 is brought to rest over a distance of 16 m. Calculate the force exerted on man by the elevator floor.

A man is supplying a constant power of 500 (J)/(s) to a massless string by pulling it at a constant speed of 10(m)/(s) an shown. It is known that kinetic energy of the block is increasing at a rate of 100(J)/(s) . Then the mass of the block is:\

A man is supplying a constant power of 500 (J)/(s) to a massless string by pulling it at a constant speed of 10(m)/(s) an shown. It is known that kinetic energy of the block is increasing at a rate of 100(J)/(s) . Then the mass of the block is:\

A horse pulls a cart with constant force so that the cart moves with a constant speed. Will the speed of the cart increase,decrease or remain the same if the horse applied more force?

A horse pulls a cart with constant force so that the cart moves with a constant speed. How will you account for the non-acceleration of the cart?