A certain spring can withstand a maximum tension of 9.0 lbwithout breaking. A child ties a 0.82 lb stone to one endand, holding the other end, whirls the stone in averical circle of radius 3.0 ft, slowly increasing the speed untilit breaks.
a.) Where is the stone on its path when the string breaks?
b.) What is the speed of the stone as the spring breaks?