An electric fan has blades of length 30 cm measured from the axis of rotation. If the fan is rotating at 120 rpm, the acceleration of a point on the tip of the blade is
A
1600 
B
47.4 
C
23.7 
D
50.55 
Text Solution
Verified by ExpertsThe correct answer is:
B
Frequency of rotation 
rpm 
rps length of blade 
cm 
Centripetal acceleration 
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