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A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. The voltage across the resistor is 32 V and the voltage across the inductor is 20 V. Assume that all voltages in this problem are rms voltages.
(a) What is the resistance R?
? ohm
(b) What is the ac input voltage?
? V
The pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be.
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