A stone tied to the end of string of 80 cm long, is whirled in a horizontal circle with a
constant speed. If the stone makes 25 revolutions in 14 s. Then, magnitude of acceleration of the same will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
If angular velocity is 
and radius of circular path is 
As we know, 
and 
Acceleration 
Hence, magnitude of acceleration,
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