A coin is placed on a horizontal platform, which undergoes vertical simple harmonic motion of angular frequency ω. The amplitude of oscillation is gradually increased. The coin will leave contact with the platform for the first time. a) For an amplitude of g2/ω2 b) For an amplitude of g/ω2 c) At the highest position of the platform d) At the mean position of the platform

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

a) For an amplitude of g2/ω2

b) For an amplitude of g/ω2

c) At the highest position of the platform

d) At the mean position of the platform

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