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An AC generator has an output rms voltage of 54 V at a frequency of 46 Hz. If the generator is connected acrossa 5 mH inductor, find the following.
a) inductive reactanceb) rms currentc) maximum current in the circuit.
A spring with 58 hangs vertically next to a ruler. The end of the spring is next to the 11- mark on the ruler. If a 2.5- mass is now attached to the end of the spring, illustrate where will the end of the spring line up with the ruler marks?
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
A fisherman reels in 15.0 of line while landing a fish, using the constant forward pull of 35.0. How much work does the tension in the line do on fish.
Vector A, which is directed along an x axis, is to be added to vector Bvec , which has a magnitude of 3.0 m, with a magnitude that is 5 times that of A, What is the magnitude of A
In attempting to pass the puck to a teammate, a hockey player gives it an initial speed of 2.1 m/s. What minimum initial speed should the puck have been given so that it reached the teammate
A total of 2.83·106 electrons are placed on an initially uncharged wire of length 1.07 m. What is the magnitude of the acceleration of a proton
An ultraviolet lamp emits light of wavelength 400 nm at the rate of 430 W. An infrared lamp emits light of wavelength 700 nm, also at the rate of 365 W. Which lamp emits photons at the greater rate
if a van de graff generator has an electric potential of 169 kv and a diameter of 18.9 cm find how many more protons
Two sounds have intensities of 2.10×10-8 and 8.70×10-4 W/m2 respectively. What is the magnitude of the sound level difference between them in dB units
A 55.3-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, Determine the force exerted by the horizontal rope on her arms
A torsion pendulum is constructed of a copper rod of radius 3 mm and length 50 cm. what is the period of oscillation
An incredibly large slingshot is stretched 1.5 meters to launch a 180.0-gram projectile with a speed sufficient to escape from the Earth (11.2 km/s). How many people would be required to stretch the slingshot
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