A stone with mass of 01kg is catapulted as shown in the figure gate mechanical 2011

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A stone with mass of 0.1kg is catapulted as shown in the figure. -gate-mechanical-2011

The total force Fx in N exerted by the rubber band as a function of distance x (in m) is given by F =300x^2. If the stone is displaced by 0.1m from the un-stretched position (x=0) of the rubber band, the energy stored in the rubber band is


(A) 0.01J 
(B) 0.1J 
(C) 1J 
(D) 10J 



By:prajwalamv

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Answers

If the stone is displaced by 0.1m from the unstretched position (x=0) of the rubber band, the energy stored in the rubber band is  0.1J

Energy stored in the bar = W.D. by the stone 

= 100 x 0.1 ^ 3 
= 0.1 J

tarun101

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