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Question: Answered & Verified by Expert
A body performing uniform circular motion of radius ' $R$ ' has frequency ' $n$ '. Its centripetal acceleration is
PhysicsMotion In Two DimensionsMHT CETMHT CET 2021 (22 Sep Shift 1)
Options:
  • A $8 \pi^2 nR^2$
  • B $4 \pi^2 n^2 R$
  • C $4 \pi^2 n^2 R^2$
  • D $8 \pi^2 n^2 R$
Solution:
1241 Upvotes Verified Answer
The correct answer is: $4 \pi^2 n^2 R$
Centripetal acceleration $a=r \omega^2=R(2 \pi n)^2$ $=4 \pi^2 n^2 R$

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