Two resistors in series equal 9.0 ohms total; but the same two resistors in parallel are equivalent to 2.0 ohms. What are the resistor values?
What will be an ideal response?
3.0 and 6.0 ohms
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In order to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast should an airplane be moving at the top of a vertical circle with a radius of 2.5 km?
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A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2.0 T. At an instant when the angle between the field and the normal to the plane of the loop is equal to 20° and increasing at the rate of 10°/s, what is the magnitude of the induced emf in the loop?
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