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Modify the equation fÎīt=Îī (mv) to find the force of friction.
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Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 Ï resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of Ï.
Answers: 3
1. Explain why the calorimeter value varied from the expected caloric content calculated for each fo...
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