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An RL series circuit has R = 80.0? and L = 1.95mH . The series combination is connected across a 165V (rms), 63Hz power supply.
Part A Find the phase angle.
? =
Part B Find the impedance of the RL combination.
Z =
Part C Find the peak current.
I max =
What is the resistance of a lightbulb that uses an average power of 40.0 W when connected to a 60.0-Hz power source having a maximum voltage of 132 V
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of water. It takes a time of 2.30s for the boat to travel from its highest point to its lowest, a total distance of 0...
what is the magnitude of the force between the two charges. The scale of vertical axis is set by vs = 5.10 m/s. What is the coefficient of kinetic friction between block and floor.
Burning a pound of coal produces about 13,000 Btu of energy. How many megajoules of energy are produced by burning 4 pounds of coal?
Find the coefficient of kinetic friction between a 4.2 kg block and the horizontal surface on which it rests if an 92 N/m spring must be stretched by 1.8 cm to pull the block with constant speed
Vector A points in the negative x direction. Vector B points at an angle of 60 above the positive x axis, Given A+B+C=0, find the magnitude of A and B
A car moves along the x-axis in the positive direction. Find the sign (+,-) of the velocity and acceleration of the car for each situation: 1. The car moves AWAY from the origin and gets FASTER 2.
A rectangular block of ice 9.00 m on each side and 0.7 m thick floats in sea water. The density of the sea water is 1025kg/m3. The density of ice is 919kg/m3. How high does the top of the ice block float above the water level.
Two pipes of equal length are each open at one end. Each has the fundamental frequency of 500 Hz at 325 K. In one pipe the air temperature is increased to 330 K. If the two pipes are sounded together, what beat frequency results.
Physics - Speed and Direction, Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next.
A stone is thrown directly upward at 15.0 from ground level and feels no appreciable air resistance. make Use of the work-energy theorem to find how high it will be when its speed has been reduced to half of its initial value.
At what speed would your 4.98 m long car fit in the 4.19 m Part 1 When parked, your car is 4.98 m long. Unfortunately, your garage is only 4.19 m long. How fast would your car have to be moving (in c) for an observer on the ground to find your car..
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