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A 200-loop coil of cross sectional area 8.5 cm2 lies in the plane of the page. An external magnetic field of 0.060 T is directed out of the plane of the page. The external field decreases to 0.020 T in 12 milliseconds.
What is the magnitude of the total change in the external magnetic flux enclosed by the coil?
What is the magnitude of the average voltage induced in the coil as the external flux is changing?
If the coil has a resistance of 4.0 ohms, what is the magnitude of the average current in the coil?
A nearsighted patient's far point is .699m from her eyes. She is able to see distant objects in focus when wearing glasses with a refractive power of -1.51diopters. What is the distance among her eyes and the glasses?
A 2.4-kg cylinder (radius = 0.10 m, length = 0.50 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.70 m high and 5.0 m long. What is its translational kinetic energy? What is its rotational kinetic ene..
A glass rod is rubbed with silk and acquires a charge ofmagnitude 7.50 nC. What is the change in mass of the rod
Ryan (60kg) started from rest and ran down a sand dune. His weight and his feet gave a 355N force down the incline while friction gave a 200N force up
If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, illustrate what distance would the bird cover? Express your answer in miles.
Alan the astronomer is earth-bound and observes two quasars moving away from each other along a line that passes through the earth. Find at what speed are the quasars moving apart relative to each other
One end of a cord is fixed and a small 0.530-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 3.00 m, as shown in the figure below. When ? = 16.0°, the speed of the object is 8.20 m/s.
a piece of thin spherical shell that has a radius of curvature of 94 cm is silvered on both sides. the concave side of
Demonstrates how the forces can vary in problems of this type. A hiker, who weighs 857 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 4420 N, and rests on two concrete supports, one on each end.
UV light of wavelength 211 nm falls on a silver surface whose work function is 4.74 eV. Find the maximum speed of the photoelectrons emitted from the surface
Two train stations are apart by 1.10 miles (1770 m). Accidently, two trains are sent on a collision course onto the same track connecting the stations. What distance does the eastbound train travel before the collision
A 101 Frisbee is 22 in diameter and has about half its mass spread uniformly in a disk and the other half concentrated in the rim. What is the magnitude of the torque
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