A coin placed on a rotating turntable just slips if it is placed at a distance of 4 cm from the center. If the angular velocity of the turntable is doubled, it will just slip at a distance of
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Verified by ExpertsThe correct answer is:
A
For just slip ⇒ µmg = mω 2 r
here ω is double then radius is 1/4 th
r´ = 1 cm
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