Question : A boy whirl is a stone in a horizontal circle of radius 1.5 m and at height 2.0 m above level ground. The string breaks and the stone flies off tangentially and strikes the ground after traveling a horizontal distance of 10 m. What is the magnitude of the centripetal acceleration of the stone while in circular motion?
(A) 163ms^{-2}
(B) 64ms^{-2}
(C) 15.63ms^{-2}
(D) 125ms^{-2}
Answer : option (A)
Solution :
