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

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 :

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
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