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Subject :NSO    Class : Class 9

A truck accelerates from speed v to 2v. Work done during this is

AThree times as the work done in accelerating it from rest to v.
BSame as the work done in accelerating it from rest to v.
CFour times as the work done in accelerating it from rest to v.
DLess than the work done in accelerating it from rest to v.


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