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A ball of mass 5 kg experiences a force F = 2x2 + x. Work done in displacing the ball by 2 m is |
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Answer» W =Integration between limit [0,2] (2x^2+x)dx =[2x^3/3+x^2/2]with in limit [0.2)] =2×2^3/3+2^2/2 =(16+6)/3 =22/3 J |
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