Physics

Physics

Problem

Which expression gives the instantaneous power delivered by a constant force F\mathbf F acting on an object that has instantaneous velocity v\mathbf v, where θ\theta is the angle between F\mathbf F and v\mathbf v? a) P=Fvsin⁡θP = Fv\sin\theta b) P=12Fvcos⁡θP = \dfrac{1}{2}Fv\cos\theta c) P=Fvcos⁡θP = Fv\cos\theta d) P=FvP = Fv

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