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Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. The coils are fixed in place; their mutual inductance M is 5.8 mH. A 9.4 mA current in coil 1 is changing at the rate of 7.3 A/s.
(a) What magnetic flux %u03A612 links coil 1, and
(b) what self-induced emf appears in that coil?
(c) What magnetic flux %u03A621 links coil 2 (in nWb), and
(d) what mutually induced emf appears in that coil?
A 77 person stands on the uniform ladder 4.0 long, that weighs 100. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only the normal force.
A 626g sample of water at 90 degrees is mixed with 441g of water at 30 degrees. What is the final temp of the mixture? Presume not heat is lost to the surroundings.
What friction torque is necessary to reduce its angular speed from 90.0 {rm rpm} to 45.0 {rm rpm} in a time interval of 32.0 {rm s}.
on april 22, D avid Ortiz of Boston Red Sox hit a home run on a 92mph fastball thrown horizontally from New York Yankee pitcher Masahiro Tanaka. compute the force exerted on the ball by the bat
0.20g of hydrogen gas are held in a rigid container. The temperature of the gas is changed from 50 K to 80 K. How much heat is needed.
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
A glass is half-full of water, with a layer of oil (n = 1.50) floating on top. Determine the critical angle for the oil-water interface
The electromagnetic wave used in a microwave oven have a wavelength of about 12.222 cm. What is the frequency of the radiation
A person jumps from the roof of a house 3.6-m high. When he strikes the ground below, Find his velocity just before his feet strike the ground
Suppose that the speed of the water in the reservoir is zero, and that the water flow is steady. Overlook both air resistance and the height difference between the reservoir and the muzzle.
A swimmer dived off a cliff with a running horizontal leap. What must his minimum speed be just as he leaves the top of the cliff
You are eating lunch at your favorite cafe and your friend calls and says he wants to meet you. He is calling from a city 175 miles away and wants to meet you somewhere between the two locations. how long will your friend be driving before he meets..
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