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Consider a 2.4-mH coil carrying a current of 1.1 Amp clockwise. If the current drops to zero and rises in the opposite direction (counterclockwise) to1.0 Amp in 420 µs, find what average emf will appear across the coil? V
Imagine that a relativistic train travels past your lecture room at a speed of 0.887 c. The passengers of the train claim that when they measure the length of the train using standard meter bars found on the train, the length comes out to be 85.8 ..
A mass spectrometer has an adjustable magnetic field. When themagnetic field is 1.000e-1 T, a singly ionizedhydrogen atom (a proton) will strike the detector at a particularlocation. Suppose a triply-ionized carbon 12 atom, whose mass is bydefinit..
Two 1.5cm -diameter disks face each other, 1.1mm apart. They are charged to ±20nC. What is the electric field strength between the disks
A pickup truck with mass 1.88x10^3 kg is traveling eastbound at +16.0 m/s, while a compact car with a mass of 8.56x10^2 kg is traveling westbound at -16 m/s. find the speed of the entangled vechicles after collision
q1. an electron librated from a hot filament cathode is attracted by an anode with a potential of 1200v positive with
A wire carrying .8 A of current is bent into a right angle the j lenght .04m and i .3m. Determine the net force on the wire from the magnetic field
A wire of initial length L0 and radiusr0 has a measured resistance of 4.0 . The wire is drawn under tensile stress to a new uniform radius of r =0.50r0. What is the new resistance of the wire?
a proton has a speed 4.5*10^5 m/s at a point where electrical potential is 900V. it moves through a point where the electric potential is 500V. find the kenetic energy of proton at first point
Put A 220 lb man presses the brakes with a force of 28 lbs/in2 to stop his car while traveling at a speed of 48 mi/hr. find the amount of deceleration experienced by him
In an old house, the heating system uses radiators, which arehollow metal devices through which hot water or steam circulates. what is the temperature of the newly painted radiator
A tandem (two-person) bicycle team must overcome a force of 155 N to maintain a speed of 9.10 m/s. Find the power required per rider
The space shuttle, in a 300km high orbit needs to perform anexperiment that has to take place well away from the spacecraft. what is the angle of the rope as measured from a line drawn fromthe center of the earth though the payload
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