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A brick is placed on a vertical compress...

A brick is placed on a vertical compressed massless spring of force constant `350N//m` attached to the ground. When the spring is released the brick is propelled upward. If the brick mass is 1.8 kg and will reach a maximum height of 3.6 m above its initial position on the compressed spring, what distance must the spring be compressed initially ? Take `g=10m//s^(2)`

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The correct Answer is:
[0.608 m]
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