A crane lifts a mass of 100 kg to a height of 10 m in 20 s. The power of the crane is (Take `g = 10 m s^(-2)`)

A crane lifts a mass of 100 kg to a height of 10m in 20s . The power of the crane is (Take g = 10 ms^(-2))

If a man lifts a load up with the help of rope such that it raises the load of mass 50 kg to a height of 20 m in 100 seconds. Find the power of man. (Take g = 10ms^-2 )

The power (P) of an engine lifting a mass of 100 kg upto a height of 10 m in 1 min is

A boy lifts a mass of 300g for 1.2 second at height of 4m. What would be the power of boy? (Take g=10ms^(-2) ).

The power (P) of an engine lifting a mass of 100 kg up to a height of 10 m in 1 min is

What is the work done to fits to lift a body of mass 5 kg to a height of 50 m from the ground (in J)? (g = 10 m s^(-2) )

Ramesh raises on object of 12 kg through a height of 2.0 m. The work done try him is (take g = 10 m//s ^(2)):