A body starts moving unidirectionally under the influence of a source of constant power. Which one of the graph correctly shows the variation of displacement (s) with time (t)?
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answer is 3.
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Detailed Solution
P = ConstantFV=mdVdtV=k∫0VVdV=km ∫0tdtV220V = km t0tV22 = ktmV=Ctdsdt = Ct∫0sds = C∫0tt dtS=C t3/23/2S=C1 t3Not a straight line.