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carpaltunnel
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Homework Statement
The initial voltage on the 0.5 microF capacitor shown in the figure is -20 V. the capacitor current has the waveform shown in the figure. https://i.imgur.com/P8jwI7s.jpg?1
How much energy is stored in the capacitor at t = 870 micro seconds.
Homework Equations
v(t) = 1/c * integral from t to t0 i dtao + v(t0) EDIT: "integral from t to t0" is a definite integral with t on the top and t0 on the bottom
w(t) = 1/2cv^2
The Attempt at a Solution
got v(t) = 50*e^-2000t + 30
after plugging into w(t) tested the following answers:
https://imgur.com/3P8ipf4
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