AIPMT 2003

When a long spring is stretched by 2 cm, its potential energy is U. If the spring is stretched by 10 cm, the potential energy stored in it will be

A particle moves along a circle of radius \(\left( {{{20} \over \pi }} \right)\) m with constants tangential acceleration. If the velocity of vthe particle is 80 m/s at the end of the second revoluation after motion has begun, the tangenti...