JEE Main 202224 Jun, Morning shiftPhysicsMediumKinematics177× since 2002
A boy ties a stone of mass 100 g to the end of a 2 m long string and whirls it around in a horizontal plane. The string can withstand the maximum tension of 80 N. If the maximum speed with which the stone can revolve is rev./min. The value of K is :
(Assume the string is massless and unstretchable)