A particle of mass m is performing SHM with amplitude A . When the particle is at mean position, a block of same mass was kept on it such that it sticks to it. Mark the CORRECT option(s):

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Ans. (A,D) Initial velocity just before block was kept = A 0 ​ ω 0 ​ Final velocity just after block was kept = 2 A 0 ​ ω 0 ​ ​ = A N ​ ω N ​ Also ω = m k ​ ​ ∴ ω 0 ​ = m k ​ ​ ω N ​ = 2 m k ​ ​ ∴ A N ​ = 2 × ω 0 ​ A 0 ​ ω 0 ​ 2 ​ ​ = 2 ​ A 0 ​ ​ Also since ω ↓ this time period ↑

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Options:(select one or more)

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