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Two blocks of masses 3 kg and 6kg rest o...

Two blocks of masses 3 kg and 6kg rest on horizontal smooth surface. The 3 kg block is attached to a spring with a force constant `k=900Nm^(-1)` which is compressed 2m from beyond the equilibrium position. The 6 kg mass is at rest at 1m from mean position. 3kg mass strikes the 6 kg mass and the two stick together.

A

Veocity of the combined masses immediately after the collision is `10ms^(-1)`.

B

velocity of the combined masses immediately after the collision is `5ms^(-1)`

C

amplitude of the resulting oscillation is `sqrt(2)`m.

D

amplitude of the resulting oscillation is 1m.

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The correct Answer is:
A, C
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DC PANDEY ENGLISH-SIMPLE HARMONIC MOTION-More than one option is correct
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  14. Passage X) A 2kg block hangs without vibrating at the bottom end of a ...

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