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

Question:

Options :

(a) for an amplitude of g/ω^2
(b) for an amplitude of g^2/ω^2
(c) at the highest position of the platform
(d) at the mean position of the platform

Answer :

(a) for an amplitude of g/ω^2

Answer Steps :

step 1

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Four particles each of mass m are placed at the corners of a square of side length l. The radius of gyration of the system about an axis perpendicular to the square and passing through its centre is [EAMCET (Med.) 2000]

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Four particles each of mass m are placed at the corners of a square of side length l. The radius of gyration of the system about an axis perpendicular to the square and passing through its centre is [EAMCET (Med.) 2000]

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