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Statement of a problem № 3867

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A bar slides on rails separated by 20 cm, Fig. 13.17. If the current flowing through the resistor R = 5 S is 0.4 A and the field B = 1 T, what is the speed of the bar?

Solution:
A bar slides on rails separated by 20 cm, Fig. 13.17. If the current flowing thr

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