A coin is placed on a horizontal platform, which undergoes vertical si – McqOptions

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1.	A coin is placed on a horizontal platform, which undergoes vertical simple harmonic motion of angular frequency . 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<sup>2</sup>/ <sup>2</sup>
B.	For an amplitude of g/ <sup>2</sup>
C.	At the highest position of the platform
D.	At the mean position of the platform
Answer» C. At the highest position of the platform

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