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An AC voltage with an amplitude of 120 Volt is applied to a series combination of a 166 μF capacitor, a 130 mH inductor, and a 17.9 ohm resistor.
a) Find the power dissipated by the circuit at a frequency of 50.0 Hertz.
b) Estimate the power factor at this frequency.
c) Find the power dissipation at a frequency of 60.0 Hertz.
d) Estimate the power factor at this frequency.
A 302g ball is tied to a string. It is pulled to an angle of 6.00 degrees and released to swing as a pendulum. A student with a stopwatch finds that 17 oscillations take 12.0s. How long does the string.
A warehouse workerpushes a crate along the floor by a force of 29.0 N that points downward at an angle of 50.0^\circ below the horizontal. Find the vertical component of theforce
Assume that you wish to fabricate a uniform wire out of0.950 g of copper. If the wire is to have a resistance R = 0.500, and if all of the copper is to be used. What will be the length of the wire?
Alpha Centauri is 4.3 light years away. If we could make a rocket that went 4/5 the speed of light: What would the travel time be for the astronauts
q1. a spring with spring constant 14 hangs from the ceiling. a ball is attached to the spring and allowed to come to
A thin film of glass (n = 1.52) of thickness 0.223 µm is viewed under white light at near normal incidence. What wavelength of visible light is most strongly reflected
1 a solid disk r0.20 m m0.50 kg is suspended from the end of an l0.30m long rod m0.30kg crosssectional area of 2.0
A baseball player hits a triple and ends up on third base. A baseball "diamond" is a square, What is the magnitude of his displacement
In a binary star system, two stars have elliptical orbits about the center of mass of the system. what is the change in the gravitational potential energy of the system
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.641 rev/s. What is the final angular speed of the merry-go-round
Before embarking on a car trip from Michigan to Florida to escape the winter cold, What is the new pressure in your tires, in SI units
Three fire hoses are connected to a fire hydrant. Each hose has a radius of 0.023 m. Find the water speed in each hose
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