A body is mass `m` is rotating in a vertical circle of radius 'r' with critical speed. The difference in its `K.E` at the top and at the bottom is

A body of mass .m. is rotating in a vertical circle of radius .r. with critical speed at the highest point. The difference in its K.E. at the top and bottom is

A body of mass m is rotating in a verticle circle of diameter '2r' with critical speed. The difference in its kinetic energy at the highest and lowest points on the verticle circle is

A body of mass m isrotating in a verticabcircle of diameter '2r', with critical speed. The difference in its kinetic energy at the highest and lowest points on the vertical circle is

A body of mass 'm' is rotated by means of a string along a vertical circle of radius 'r' with constant speed. The difference in tensions when the body is at the bottom and at the top of the vertical circle is

A body of mass 1 kg is rotating in a verticle circle of radius 1 m .What will be the difference in its kinetic energy at the top and bottom of the circle ? (g=10m//s^(2))

A body of mass 500 gram is rotating in a vertical of radius 1 m . What is the difference in its kinetic energies at the top and the bottom of the circle ?