SOLUTION: The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period.

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Question 1041982: The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period.
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P = (2pi)/b
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Period = (2pi)/(140pi) = 1/70 of a second
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Cheers,
Stan H.
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