find the ratio of work done by the internal forces of a car in order to change its speed from 0 to V,from V to 2V.(assume that the car moves on a horizontal road)
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Work−energy theorem:Work=12mv2−12mu2W1W2=12mv2−12m[0]212m[2v]2−12m[v]2 =12mv23×12mv2 =13Ans:Option−c
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