A plank with a small block on top of it is executing vertical SHM. Its period is \( 2 \mathrm{se....

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A plank with a small block on top of it is executing
P
vertical SHM. Its period is \( 2 \mathrm{sec} \). The minimum
W
amplitude at which the block will separate from plank is \( \frac{2 n}{\pi^{2}} \). Find the value of \( n \).


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