What is mechanical energy ?

What mechanical energy means ?

A ball bounce of 80% of its original height . What fraction of its mechanical energy is lost in each bounce ?

A ball bounce of 80% of its original height . What fraction of its mechanical energy is lost in each bounce ?

What do you understand by the conservation of mechanical energy ? State the condition under which mechanical energy is conserved.

We use mechanical energy in generators to move the magnet or coiled conductor continously . In that case what shall be the energy change in a generator ?

In which of the following, the electric energy changes into mechanical energy ?

The amplitude of a lightly damped oscillator decreases by 4.0% during each cycle. What percentage of mechanical energy of the oscillator is lost in each cycle?