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The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is R = 5.80 N, and a 2.50-T magnetic field is directed perpendicularly downward, into the page. Let l = 1.20 m.
Bin
R
app
(a) Calculate the applied force required to move the bar to the right at a constant speed of 2.50 m/s.
N (to the right)
(b) At what rate is energy delivered to the resistor? (Power)
W
x x x x
x x x
X x x X

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