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The energy of...

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The energy of a system as a function of time t is given as E(t) =A^2 exp(-at), where a=0.2 s^-1. The measurement of A has an error of 1.25%. If theerror in the measurement of time is 1.50%, the percentage error in thevalue of E(t) at t5 sec is

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Q. The energy of a system as a function of time t is given as

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