Question : A particle of mass 100 g tied to a string is rotated along circle of radius 0.5 m. The breaking tension of string is 10 N. The maximum speed with which particle can rotated without breaking the string is
(A) 10ms^{-2}
(B) 9.8ms^{-2}
(C) 7.7ms^{-2}
(D) 7.07ms^{-2}
Answer : option (D)
Solution :
