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A coin is placed on a horizontal platfor...

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

A

at the highest position of the platform

B

at the mean position of the platform

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A, C
`Aomega^(2) = g`
`rArr A = g//omega^(2)`.
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RESONANCE ENGLISH-SIMPLE HARMONIC MOTION -Exercise- 3, PART - II
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  8. Two springs of force constants and are connected to a mass m as sh...

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  9. A particle of mass m executes SHM with amplitude 'a' and frequency 'v'...

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  10. If x, v and a denote the displacement, the velocity and the accelerati...

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  11. A mass M, attached to a horizontal spring, executes SHM with amplitude...

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  13. A wooden cube (density of wood d) of side l floats in a liquid of dens...

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  14. If a simple pendulum has significant amplitude (up to a factor of 1/e ...

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  15. The amplitude of a damped oscillator decreases to 0.9 times ist oringi...

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  16. An ideal gas enclosed in a vertical cylindrical container supports a f...

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  17. A particle moves with simple harmomonic motion in a straight line. ...

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  18. For a simle pendulum, a graph is plotted between its kinetic energy (K...

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