As shown in the figure, two frictionless conducting rails (#1 and #2) are attach

Question

As shown in the figure, two frictionless conducting rails (#1 and #2) are attached to a 20.0

As shown in the figure, two frictionless conducting rails (#1 and #2) are attached to a 20.0 degree incline such that the inside edges are 80.0 cm apart. A copper bar with a mass of 0.142 kg slides (without friction) at a constant speed down the conducting rails. If there is a vertical magnetic field of 0.0526 T in magnitude in the region of the incline, determine the magnitude of the current I that flows through the sliding copper bar.

Explanation / Answer

The above answers are wrong.

The correct solution is:

I = current = [0.142kg * 9.81m/s^2 * tan (20)] / [0.80m * 0.0526 * sin (90)]

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