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By applying the brakes without causing skid, the driver of a car is able to stop his car with in a distance of 5 m, if it is going at 36 kmph. If the car were going at 72 kmph. Using the same brakes, he can stop the car over a distance of

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Answer Text

10 m2.5 m20 m40 m

Answer :
C
Solution :
`W = Delta KE , (Delta KE_(1))/(Delta KE_(2)) = (W_(1))/(W_(2)) = (FS_(1))/(FS_(2))`.

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