Two springs of spring constants $1500\, N/m$ and $3000\, N/m$ respectively are stretched with the same force. They will have potential energy in the ratio
$4:1$
$1:4$
$2:1$
$1:2$
Two springs of spring constants $1500\, N/m$ and $3000\, N/m$ respectively are stretched with the same force. They will have potential energy in the ratio
$U = \frac{{{F^2}}}{{2k}}$
==> $\frac{{{U_1}}}{{{U_2}}} = \frac{{{k_2}}}{{{k_1}}}$(if force are same)
$\frac{{{U_1}}}{{{U_2}}} $$= \frac{{3000}}{{1500}} = \frac{2}{1}$
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