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General Physics

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Joined:	19 Jan 2012
Post:	191

12 Feb 2012 21:55:54 IST

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191

plz answr :(

Physics

A particl m0ves in a straight line with retardation proportional to its displacement.its loss of kinetic energy for any displacement x is proportional to??explain??(a).x^2 (b).e^x (c).x (d).log x(base e)

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srinivasan

Hot goIITian

Joined: 10 Oct 2011

Posts: 102

13 Feb 2012 08:11:27 IST

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W=K(f)-K(i)=loss in kinetic energy= ?kxdx ={kx2/2} so,loss in KE=kx2/2since k/2 is constant soloss in KE is directly proportional to x2 so the answer is x^2 thank youall the best shivansh

srinivasan

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Joined: 10 Oct 2011

Posts: 102

13 Feb 2012 08:24:55 IST

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hello brother here W=K(f)-K(i)=loss in kinetic energy = INTEGRATION KXDX there question mark has come so i think you understood it thank you

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