Voltage of an Electrical Circuit For another electrical circuit, the voltage E is
Chapter 4, Problem 10(choose chapter or problem)
Voltage of an Electrical Circuit For another electrical circuit, the voltage E is modeled by E = 3.8 cos 40pt, where t is time measured in seconds. (a) Find the amplitude and the period. (b) Find the frequency. (c) Find E, to the nearest thousandth, when t = 0.02, 0.04, 0.08, 0.12, 0.14. (d) Graph E for 0 t 1 20 .
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