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Two long wires lie in a xy plane, and each carries a current in the positive x axis. Wire 1 is at y = 10.0 cm and carries 6.0A; wire 2 is at y = 5.00 cm and carries 10.0 A.
a) At what value of y does B = 0
b) In unit vector notation, what is the net magnetic field Bat the origin?
c) If the current in wire 1 is reversed, at what value of y does B = 0?
A single string is made up of two strings of different densities joined together. Each of the strings is 1.40 m long. what is the tension on the combined string
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Which of the following must be true if we are to infer (calculate) a star's luminosity directly from the inverse square law for light.
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A man pushes a 24-kg box across a frictionless floor. The box begins moving from rest. How far has the man pushed the box in 3 s
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A 48.5 kg circus acrobat drops from a height of 1.62 meters straight down onto a springboard with a force constant of 7.95 103 N/m, By what maximum distance does she compress the spring
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