What is the received sound frequency
A bat at rest sends out ultrasonic sound waves at 50,000 Hz and receives them returned from an object moving radially away from it at 32.0 m/s. What is the received sound frequency?
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Find the position at which a third charge of +7.50 nC can be placed so that the net electrostatic force on it is zero.
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An unknown resistor R is connected to a 10.0 Ω resistor, and the combination is attached to an ideal battery. When the two resistors are combined in parallel, they consume 7.90 times as much power as when they are combined in series. Determi
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