InterviewSolution
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InterviewSolution
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When a rubber-band is stretched by a distance x, it exerts a restoring force of magnitude F-xbx2where a and b are constants. The work done in stretching the unstretched rubber-band by L is:-JEE-Main-2014]2)2 2 34) al ) |
| Answer» <p>F = ax + bx^2</p><p>dw = F dx</p><p>w =o∫L(ax + bx^2)dx</p><p>w = aL^2/2 + bL^3/3</p> <p>Really impressive, are you in 8th👏</p> | |