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9FA particle of mass 0 2 kg is moving in one dimension undto the particle. If the initial speed (in ms) of the partidle is zero, the speed (in ms) after 5s isder a force that delivers a constant power 0.5 wJEE-2013:4/60

Answer»

P = 0.5 watt.

in 5 sec., W= Pt

⇒0.5×5

work⇒2.5 joule

W =ΔKE (work energy theorem)

2.5=1/2×0.2[v^2−0]

v = 5 ms^−1



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