A ball of mass 0.1 Kg. is whirled in a horizontal circle of radius 1 m . by means of a
Channel: Doubtnut
Date: 2020-08-23

A ball of mass 0.1 Kg. is whirled in a horizontal circle of radius 1 m . by means of a string at an initial speed of 10 R.P.M.  Keeping the radius constant, the tension in the string is reduced to one quarter of its initial value.  The new speed is