A mass hangs from the ceiling of a box by an ideal spring. With the box held fix

Question

A mass hangs from the ceiling of a box by an ideal spring. With the box held fixed, the mass is given an initial velocity and oscillates with purely vertical motion. When the mass reaches the lowest point of its motion, the box is released and allowed to fall. To an observer inside the box, which of the following quantities does not change when the box is released? Ignore air resistance: Which is correct The amplitude of the oscillation The period of the oscillation The maximum speed reached by the mass The height at which the mass reaches its maximum speed The maximum height reached by the mass

Explanation / Answer

The amplitude of the oscillation

As there is no Dissipation of energy so the amplitude of the oscillation remians same

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