nursing AIIMS BSc Nursing 2025 Mock Test Series Physics Work Power and Energy Work done

Work done in stretching a spring of constant k by x is \(\frac{1}{2} \ kx^2\).The work done when above spring is stretched further from x to 2x is

1
\(\frac{1}{2} \ kx^2\)
2
kx2
3
\(\frac{3}{2} \ kx^2\)
4
2 kx2
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