A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 $m/sec^{2}$, then its angular velocity in rad/sec is | ClassNotes | Ace Your Exams

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Sep 18, 2022

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A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 $m/sec^{2}$, then its angular velocity in rad/sec is:

Difficulty: Easy

A:

22/7

B:

7

C:

14

D:

21

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