Kinematics Question 714

Question: Two bodies of mass 10 kg and 5 kg moving in concentric orb it’s of radii R and r such that their periods are the same. Then the ratio between their centripetal acceleration is [CBSE PMT 2001]

Options:

A) R/r

B) r/R

C) R2/r2

D) r2/R2

Show Answer

Answer:

Correct Answer: A

Solution:

aRar=ωR2×Rωr2×r=Tr2TR2×Rr=Rr [AsTr=TR ]



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