Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousEasy2 minPYQ_2015
PhysicsEasysingle choice

Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in radius r2 and the lighter one in radius r. The tangential speed of lighter stone is n times that of the tangential speed of the heavier stone. They are reported to experience the same centripetal force. The value of n is, 

NEET 2015 (Phase 2)

Options:

Answer:
D
Solution:

Fcplight=Fcpheavy

So, equating the centripetal forces,

mv12r=2mv22r2

So,v1=2v2

Stream:NEETSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous
⏱ 2mℹ️ Source: PYQ_2015

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