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A coin is placed on a horizontal platfor...

A coin is placed on a horizontal platform which undergoes vertical simple harmonic motion of angular frequency `omega`. The amplitude of oscillation is gradually increased. The coin will leave contact with the platform for the first time :

A

for an amplitude of `g//omega^2`

B

for an amplitude of `g^2//omega^2`

C

at the highest position of the problem

D

at the mean position of the platform

Text Solution

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The correct Answer is:
A
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