Magnetic field in the beam
At a particular instant of time, a light beam traveling in the positive direction has an electric field given by E= (6.22N/C )x + (2.87N/C)y. The magnetic field in the beam has a magnitude of at the same time. Write B in terms of unit vectors.
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Determine the steady-state electric field inside each Nichrome wire. Remember that in the steady state you must satisfy both the current node rule and energy conservation. These two principles give you two equations for the two unknown fields.
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The magnetic field in the beam has a magnitude of at the same time. Write B in terms of unit vectors.
An automobile club plans to race a 770 kg car at the local racetrack. The car needs to be able to travel around several 160 m radius curves at 85 km/h. What should the banking angle of the curves be so that the force of the pavement on the tires o
A 8kg mass moves in a circular path of 4m radius on a frictionless horizontal table. It is attached to a string that passes through a frictionless hole in the center of the table. A second 28kg mass is attached to the other end of the string. The
What is the frequency of the note played by this pipe? When a second pipe is played at the same time, a 1.30 Hz beat note is heard. By how much is the second pipe too long?
You are driving to the grocery store at 20 {rm m}/{rm s}. You are 150 {rm m} from an intersection when the traffic light turns red. Assume that your reaction time is 0.79 {rm s} and that your car brakes with constant acceleration.
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