Physics, 26.04.2021 22:20 goverton101
a certain ac signal at 1000 Hz is applied across an inductor and a 100 ohm resistor. if the power factor of the circuit is 0.400 ; what's the impedance of this circuit?ā
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What are similarities and differences between refraction, reflection, diffraction and absorption?
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A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgļk) and water is cw = 4190 j/(kgļk)
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Aball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 51.6 m above the ground. the ball just misses the edge of the roof on its way down, as shown in the figure. (a) determine the time needed for the ball to reach its maximum height. (b) determine the maximum height. (c) determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. (d) determine the time needed for the ball to reach the ground. (e) determine the velocity and position of the ball at t = 5.35 s.
Answers: 1
a certain ac signal at 1000 Hz is applied across an inductor and a 100 ohm resistor. if the power fa...
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