A stone of mass is whirled in a horizontal circle at the end of a light string long
PHYSICS · Multi-part · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
A stone of mass 0.50kg is whirled in a horizontal circle at the end of a light string 1.2m long. The string can withstand a maximum tension of 150N.
(a) Derive an inequality that the time period T of revolution must satisfy so that the string does not break.
(b) Calculate the minimum permissible time period and the corresponding linear speed of the stone.