Questions
A car of mass m is accelerating on a level smooth road under the action of a single force F. The power
delivered to the car is constant and equal to P. If the velocity of the car at an instant is v, then after travelling how much distance will it become double?
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Correct option is A
Power P=F·v=mv·dvds·v∴ ∫v2vv2·dv=Pm·∫0sds v33v2v=Psm or s=7mv33PSimilar Questions
If force F is applied on a body and it moves with the velocity V, the power will be :
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