MathCastle
CalculusMedium

Calculus · Medium problem

A damping force does work at rate W′(t)=te−tW'(t)=te^{-t} J/s as a cart decelerates over 22 seconds. Find the total work W=∫02te−t dtW=\displaystyle\int_0^2te^{-t}\,dt done, and determine whether it exceeds 0.30.3 J.

Practice more like this