Force constant of a spring is \( 100 \mathrm{~N} / \mathrm{m} \). I...

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Force constant of a spring is \( 100 \mathrm{~N} / \mathrm{m} \). If a \( 10 \mathrm{~kg} \) block
P attached with the spring is at rest, then find extension

W in the spring \( \left(g=10 \mathrm{~m} / \mathrm{s}^{2}\right) \)
(1) \( 1 \mathrm{~m} \)
(2) \( 2 \mathrm{~m} \)
(3) \( 3 \mathrm{~m} \)
(4) \( 4 \mathrm{~m} \)
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