electric circuit whose power is P and whose impedance phase angle is 0 is given by Pa = P sec is changing at the rate of 0.070 rad / min, when 0 = 44.0°.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section: Chapter Questions
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The apparent power P, (in W) in an electric circuit whose power is P and whose impedance phase angle is 0 is given by Pa =P sec 0. Given that P is constant at 10 w,
find the time rate of change of Pa if 0 is changing at the rate of 0.070 rad / min, when 0 = 44.0°.
Transcribed Image Text:The apparent power P, (in W) in an electric circuit whose power is P and whose impedance phase angle is 0 is given by Pa =P sec 0. Given that P is constant at 10 w, find the time rate of change of Pa if 0 is changing at the rate of 0.070 rad / min, when 0 = 44.0°.
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