Physics, 14.01.2020 05:31 evryday2285
Abattery with an emf of 12 v connects in parallel to a 50 ω and 25 ω resistor. the current through the battery is 0.70 a. what is the internal resistance of the battery?
Answers: 1
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Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?
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Abattery with an emf of 12 v connects in parallel to a 50 ω and 25 ω resistor. the current through t...
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