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A 10-turn circular coil of wire has a di- ameter of 0.45 m. It is placed with its axis along the direction of Earth's magnetic field of 63.8 ?T, and then in 0.229 s it is flipped 43?.
What is the strength of the average emf generated in the coil?
question1a jet plane w a constant speed along a straight line at an angle 30 degrees above horizontal. the plane is
An electric field of 9.50 105 V/m is desired between two parallel plates, each of area 44.5 cm2 and separated by 2.45 mm of air. What charge must be on each plate
A rope having a total mass of 0.4 kg and total length of 4 m has a 0.6 m of the rope hanging vertically down off a work bench. Explain how much work must be done to place all the rope on the bench?
A 60kg pole vaulter running at 13m/s vaults over the bar. Her speed when she is above the bar is 0.7m/s. Neglect air resistance, as well as any energy absorbed by pole, and determine her altitude as she crosses the bar.
Consider a hot-air balloon. The deflated balloon, gondola, and two passengers have a combined mass of 315 kg, Then find the temperature of the air inside the balloon
A 118-g ball is traveling to the left with a speed of 26 m/s when it is struck by a racket. find the speed of the ball immediately after it leaves the racket
Two equally charged, 1.00 g spheres are placed with 2.00 cm between their centers. find the magnitude of the charge on each sphere
The end point of a spring vibrates with a period of 1.9 seconds when a mass m is attached to it. When this mass is increased by 9.630×101 kg, the period is found to be 4.1 seconds. Find the value of m.
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 9.00×10?11mm of Hg. What is the mean free path of a molecule
What is the thinnest soap film (excluding the case of zero thickness) that appears black when viewed by reflected light with a wavelength of 480 {rm nm}? The index of refraction of the film is 1.33, and there is air on both sides of the film.
When light is incident on a surface the critical angle is 40.0 degrees. The two materials are air and glass. What is the polarization angle for this light
Why do magnetic field lines contract longitudinally and exert a lateral pressure?
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