Work and Energy...

Complete the following sentence:
The kinetic energy of a body is the energy by virtue of its______ .

Which one of the following is not the unit of energy?

An electric heater is rated $$1500 \ W$$. How much energy does it use in $$10 \ hours$$ ?

A body at maximum height possesses:

An electric lamp is marked $$60\ W,\ 220\ V$$. The cost of kilo watt hour of electricity is $$Rs.\ 1.25$$. The cost of using thing lamp on $$220\ V$$ for $$8\ hrs$$ is:

The ratio of the total work done or total energy consumed to the total time taken is called:

When a work of 1 joule is done in 1 s, the power is:

The SI unit of energy is:

1 kilowatt hour $$=$$ ___________ .

Find the energy in $$kWh$$ consumed in $$10$$ hours by four devices of power $$500\ W$$ each.