A spring when compressed by `4 cm` has `2 J` energy stored in it. The force requried to extend it by `8 cm` will be

When a spring is stretched by 10 cm, the potential energy stored is E. When the spring is stretched by 10 cm more, the potential energy stored in the spring becomes

When a spring is stretched by 10 cm, the potential energy stored is E. When the spring is stretched by 10 cm more, the potential energy stored in the spring becomes

A spring with spring constaant k when compressed by 1 cm the PE stored is U. If it is further compressed by 3 cm, then change in its PE is

A spring when stretched up to 2cm has potential energy U .If it is stretched up to 8cm ,potential energy will be : ?

A long spring when stretched by 2cm its potential energy is U .If the same spring is stretched by 8cm then potential energy of spring is

A long spring when stretched by x cm , has a potential energy U . On increasing the stretching to nx cm, the potential energy stored in spring will be

When a spring is compressed by a distance 'x' , the potential energy stored is U_(1) . It is further compressed by a distance '2x' , the increase in potential energy is U_(2) . The ratio of U_(1):U_(2)

A long elastic spring is stretched by 2 cm and its potential energy is U . If the spring is stretched by 10 cm , the PE …… will be

A spring when stretched upto 2 cm has potential energy u. If it is stretched upto 10 cm, potential energy would be

A mass of 5 kg is attached to the free end of a spring pulled sideways to a distance of 3 cm and released. What will be the (a) Speed of this mass when spring is compressed by 2 cm ? (b) Potential energy of the mass at the point where kinetic energy becomes zero ?