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An elastic conducting material is stretched into a circularloop of 11.0 cm radius. It is placedwith its plane perpendicular to a uniform 0.600 T magnetic field. When released, the radiusof the loop starts to shrink at an instantaneous rate of71.0 cm/s. What emf is induced in the loop at that instant?
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When the block just touches the spring, how much gravitational potential energy has it lost? Give your answer as a positive number. After the mass has fully compressed the spring, what is its total loss of gravitational potential energy? Give your an..
Two coplanar and concentric circular loops of wire carry currents of I1 = 6.20 A and I2 = 2.50 A in opposite directions as in the figure below. (a) If r1 = 12.0 cm and r2 = 8.60 cm, what is the magnitude of the net magnetic field at the center of ..
Rivets can be cooled before they are put in place, thus when they reach equilibrium temperature they are more firmly fixed in place. If the volume expansion of iron is 35.0 X 10-6 K-1
The period of rotation of the Moon is about 27 days, 8 hrs. The mass of the Moon is 7.35 x 1022 kg, and the radius of the Moon is 1.74 x 106 m. Find the height of the satellite above the Moon's surface
A generator rotates at 71 hz in a magnetic field of 5.0x10^-2 T. It has 1000 turns and produces an rms voltage of 150v and an rms current of 52A. a) What is the peak current produced? b) What is the area of each turn of the coil?
A charge of 80nC is uniformly distributed along the x axis from x = 0 to x = 2.0 m. Determine the magnitude of the electric field at a point on the x axis with x= 8.0m
A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 550 nm, while the power is 1.71W. how many photons are emitted by the laser
in a young's double slit experiment two rays of monochromatic light emerge from the slits and meet at a point on a distant screen. what is the wavelength in mm of the monochromatic light
You are riding in an elevator on the way to18th floor in your dormitory. The elevator is accelerating upward witha=1.90m/s2. Beside you is the box containing your new computer; boxand contents have a total mass of 28.0kg. While the elevator isacce..
If a 56 diameter circular disk is uniformly angularly accelerating at a rate of 5.0 rad/s2, What angle is subtended over that time
Light is an electromagnetic wave and travels at a speed of 3.00 x 10^8 m/s. The human eye is most sensitive to yellow-green light, that has a wavelength of 5.45 x 10^-7m. How you find the frequency of this light.
A 12.3 µC particle with a mass of 2.53E-5 kg moves perpendicular to a 1.23 T magnetic field in a circular path of radius 25.6 m. How long will it take the particle to complete one orbit
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