Question : An electric fan has blades of length 30 𝑐𝑚 as measured from the axis of rotation. If the fan is rotating at 1200 𝑟. 𝑝. 𝑚.The acceleration of a point on the tip of the blade is about
(A) 1600m/\sec ^{2}
(B) 4740m/\sec ^{2}
(C) 2370m/\sec ^{2}
(D) 5055m/\sec ^{2}
Answer : option (B)
Solution :
