A stone tied to one end of spring 80 cm long is whirled in a horizontal circle with a constant speed. If stone makes 14 revolutions in 25 s, the magnitude of acceleration of stone is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Given, radius of the horizontal circle,
Angular speed of revolution of the stone,
Magnitude of centripetal acceleration 
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