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A long, straight wire with a current of 7 amps runs in the -z direction through the origin. Another long straight wire has a current running in the +z direction on y axis at y = +3 meters. A charge of -8 coulombs is moving at 27 m/s in the +y direction at x = 0 m, y = -0.6 meters. Due to the total magnetic field from both wires at that point, the magnetic force on the charge is 26 x 10-7 Newtons in the +z direction. What is the amount of the current of the second wire in amps?
Illustrate what fractional increase in the tension of one wire lead to the occurrence of 6 beats/s when both wires oscillate simultaneously?
The electric motor in a toy train requires a voltage of 3.1V .Find the ratio of turns on the primary coil to turns on the secondary coil in a transformer that will step the 110V household voltage down to 3.1V .
Water flows at 12 m/s in a horizontal pipe by a pressure of 3.0X104N/m2. If the pipe widens to twice its original radius, what is the pressure in the wider section?
Light from a laser strikes a diffraction grating that has 5 300 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.76 m from the grating.
A narrow tube open at one end has varibale length. When a vibrating tuning fork is held near one end, What is a possible frequency of the tuning fork
Model the neuron as a long wire carrying a current and find the current it must carry to produce a field of this magnitude at a distance of 4.8 cm from the neuron
The end milling cutter has two teeth and its diameter = 15.0mm. Find out the feed rate and time to complete the cut.
a metal sphere of radius 23 cm has a net charge of 9.0 x 10-8 c.a what is the electric field at the spheres surface?b
two strings of length 0.78 m hang from the same point on the ceiling. at the end of each string there is a small ball
By holding a magnifying glass 29cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp. What is the focal length of your magnifying glass
A vertically polarized photon is incident on a pair of polarizers. The first one has its transmission axis oriented at an angle ? with the vertical.
A 94.00 water skier floating in a lake is pulled from rest to a speed of 10 in a distance of 24. What is the net force exerted on the skier, assuming his acceleration is constant.
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