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A long solenoid has n = 410 turns per meter and carries a current given by I = 28.0(1 ? e?1.60t ), where I is in amperes and t is in seconds. Inside the solenoid and coaxial with it is a coil that has a radius of R = 6.00 cm and consists of a total of N = 250 turns of fine wire (see figure below). What emf is induced in the coil by the changing current? (Use the following as necessary: t. Assume is in mV and t is in seconds.)
when a current flows in an aluminum wire of diameter 4.35 mm the drift speed of the conduction electrons is 2.57 times
A day on a distant planet observed orbiting a nearby star is 31.7 hours. Also, a year on the planet lasts 79.5 Earth days.* Calculate the average angular speed of the planet
A rock climber stands on top of a 53{\rm m} -high cliff overhanging a pool of water. He throws two stones vertically downward 1.0{\rm s} apart, What is the speed of the first stone as it hits the water
A liquid is used to make a mercury-type barometer, as described in section Pressure in a Fluid. The barometer is intended for spacefaring astronauts. Find the atmospheric pressure at the surface of Planet X
What the max speed of the oscillator?
q1. a curve of radius 40 m is banked for a design speed of 100 kmh. if the coefficient of static friction is 0.30 wet
An ocean liner leaves New York City and travels 16.10 ° north of east for 234 km. How far east and how far north has it gone? In other words, what are the magnitudes of components of the ship's displacement vector in directions (a) due east and (b..
An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through a slot at the outside edge of the wheel, as in Fig. 10-31, travels to a distant mirror, and returns to the wheel just in time to ..
You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 273 N for 7.2 s, What is the work done by friction
question 1 the system shown below is released from rest.a determine the smallest coefficient of static friction
The great, grey-green, greasy Zambezi River flows over Victoria Falls in south central Africa. find the velocity of the water when it hits the bottom
Then find the force between them as a function of distance h. describe why the sign of the force does (or does not) make sense to you.
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