How many watts are there in one horse power ?

How many degress are there in one radian ?

How many ergs are there in 1 kilo watt hour?

An elevator that can carry a maximum load of 1500 kg (elvator+ passengers) is moving up with a constant speed of 2 ms^(-1). The frictional force opposing the motion is 3000 N. Find the minmum power delvered by the motor to the elevator in watts as well as in horse power (g=10ms^(-2))

On disintegration of one atom of .^(235)U , the amount of energy obtained is 200 MeV . The power obtained in a reactor is 1000 kilo watt. How many atoms are disintegrated per second in the reactor? What is the decay in mass per hour?

A horse exerts a pull a 500 N on a cart so that horse cart system moves with a uniform velocity of 36km/h what is the power developed by the horse in horse power ?