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A solenoid 22.0 cm longand with a cross-sectional area of 0.500cm2 contains 415turns of wire and carries a current of 85.0 A.
a) Calculate the magnetic field in the solenoid.b) Calculate the energy density in the magnetic field if thesolenoid is filled with air.c) Calculate the total energy contained in the coil's magneticfield (assume the field is uniform).d) Calculate the inductance of the solenoid.
A vertical straight wire carrying an upward 26 A current exerts an attractive force per unit length of 9.0*10^-4 N/m on a second parallel wire 9.0 cm away
Five clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table.
The intensity in normal conversation, when about50 cm from the speaker, Estimate the power output of sound from a person speaking in normal conversation
An archer shoots an arrow with a velocity of 30 m/s at an angle of 20 degrees with respect to the horizontal. What is the initial speed of the apple
Three capacitors having capacitances of 8.3\mu F , 8.8\mu F , and 4.0\mu F are connected in series across a 38-{\rm V} potential difference. What is the total energy stored in all three capacitors
Billy throws a ball straight up and it rises 22 meters into the sky. With what initial velocity must he have thrown the ball
At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height of 40 m. find the time when the balls collide
a ray of light from the coin travels to the surface of the liquid and is refracted as it enters into the air. how fast is the light traveling in the liquid
If the initial electric Force is, F, and the electron were moved to one third he original distance toward the proton, what would be the new electrical force
If the PEL, PERSONAL EXPOSURE LIMIT for a substance is 500 ppm., the SAE is 0.10 for the sampling method, what is the lower confidence limit test results
A sled starts up an incline of 350 with the horizontal. The sled starts from the bottom with an initial velocity of 5 m/s. (a) How far u p the incline does it go? A second sled starts to slide from the top when the first sled starts to slide down...
Two masses, m1 = 2.10 kg and m2 = 9.51 kg are on a horizontal frictionless surface and they are connected together with a rope. What is the acceleration of the whole system
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