A particle of mass 0.2 kg is moving in one dimension under a force that delivers a constant power 0.5 W to the particle. If the initial speed (in ms–1) of the particle is zero, the speed (in ms

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A particle of mass 0.2 kg is moving in one dimension under a force that delivers a constant power 0.5 W to the particle. If the initial speed (in ms^–1) of the particle is zero, the speed (in ms^–1) after 5s is

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$\frac{1}{2} {mv}^{2} = Pt$

$v = \sqrt{\frac{2 Pt}{m}} = 5 m / s$

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