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JEE Main Physics question

PhysicsOscillationsJEE Main

A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has a force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be

Answer: (B)

Solution

By energy conservation (the block falls, converting gravitational PE to

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Question ID VK-153328