A solid sphere of mass 1 kg rolls without slipping on a plane surface. Its kinetic energy is 7 10^ -3 J. The...

Question

A solid sphere of mass 1 kg rolls without slipping on a plane surface. Its kinetic energy is 7 10^ -3 J. The speed of the centre of mass of the sphere is ____________cm s^ -1 .

Accepted Answer

10

JEE Main 2023 Physics question

Solution