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Question: A power line carries a sinusoidally-varying current with a peak value of I0 = 55 kA and a frequency of f = 60 Hz, suspended a height of 7.0 m above a farmer's field, as shown. Suppose the farmer builds a vertically-oriented 2.0-m-high rectangular coil with 12 turns and positions it below the power line, with the goal of using the induced voltage in the coil to power 120-V equipment that requires a 60 Hz AC voltage with a peak value of V0 = 170 V. 1. What should the length l of the coil be?
An organ pipe is open at both ends. It is producing sound at its n = 5 harmonic, the frequency of which is 166 Hz. What is the length of the pipe
A light string can support a stationary hanging load of 23.8 kg before breaking. What range of speeds can the object have before the string breaks
consider the possibility of a new design for an electric train. the engine is driven by the force on a conducting axle
Dorothy is up on her 14.0m by 18.0m roof enjoying the view of Kansas. Suddenly, a strong wind blows down her ladder, leaving her stranded. Calculate the force on the roof
A heavy meter stick has a rest mass of 1 kg. When the meter stick is thrown past you, you measure the mass to be 2kg. Assuming the meter stick is thrown horizontally, what would you measure its length to be?
A solid spherical ball of mass 1.44 kg and radius 0.11 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
The many satellites used in the Global Positioning System are constructed so that their onboard clocks are synchronized with clocks on earth.
The label on a 12.0-V truck battery states that it is rated at 181.0 A·h (ampere-hours). Treat the battery as ideal. How much electric energy can the battery supply
A muon (an elementary particle) enters a region with a speed of 4.90 106 m/s and then is slowed at the rate of1.20 1014 m/s2
q1. a parachutist descending at a speed of -13.0 ms loses a shoe at the altitude of 54.0 m.a when does the shoe reach
An ideal gas is enclosed in a cylinder that has a moveable piston on top. The piston has a mass of 6200 g and an area of 5 cm2 and is free to slide up and down.
What is the angular frequency of the AC source?Determine the reactance of the inductor. Determine the reactance of the capacitor.Determine the impedance of the circuit.
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