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JEE Advanced 2015 Paper 2

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Question : 3

Total: 60

The energy of a system as a function of time t is given as E(t)=A2exp(−αt).where‌α=0.2s−1.The measurement of A has an error of 1.25%.If the error in the measurement of time is 1.50%.the percentage error i the vaue of E(t) at t=5 s is

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