Passage X) A 2kg block hangs without vibrating at the bottom end of a spring with a force constant of 400 N/m. The top end of the spring is attached to the ceiling of an elevator car. The car is rising with an upward acceleration of `5m/`s^(2)` when the accleration suddenly ceases at t=0 and the car moves upward with constant speed. (g=10m/`s^(2)`) The amplitude of the osciallations isA. 7.5 cmB. 5 cmC. 2.5 cmD. 1 cm

Passage X) A 2kg block hangs without vibrating at the bottom end of a

1.	Passage X) A 2kg block hangs without vibrating at the bottom end of a spring with a force constant of 400 N/m. The top end of the spring is attached to the ceiling of an elevator car. The car is rising with an upward acceleration of `5m/`s^(2)` when the accleration suddenly ceases at t=0 and the car moves upward with constant speed. (g=10m/`s^(2)`) The amplitude of the osciallations isA. 7.5 cmB. 5 cmC. 2.5 cmD. 1 cm
Answer» Correct Answer - C

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