# Physics Problem Solving (Q -32), IIT-JEE physics classes - Videos

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Q.32- The energy of a system as a function of time t is given as E(t)=A2exp(-at)E(t)=A2exp(-at), where a=0.2 s-1.a=0.2 s-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 in the value of E(t) at t = 5 s is
“Basic rules of Multiplication, Division and Exponent of errors(part-2)” – https://www.youtube.com/watch?v=kpLtbHCBagA&list=PLNw4C2o3djfBHP_gm7v3GamRDBK9cNirA&index=4&t=5s

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