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MHT CET Physics question

PhysicsOscillationsMHT CET

A mass m attached to a light spring oscillates with a period of 2 s. If the mass is increased by 2 kg, the period increases by 1 s. Then the value of m is

Answer: (B)

Solution

T proportional to gives (m + 2)/m = = 9/4, so 4m + 8 = 9m and

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Question ID VK-067667