Please show all steps used to solve part C (16 pts) 1 A conducting rod o.20 fric

Question

Please show all steps used to solve part C (16 pts) 1 A conducting rod o.20 friction on conducting metal rails. as shown in the sketch. of length m makes slides without The and that is directed into the page. uniform magnetic field that has magnitude B-0.400 T The resistance of the circuit is aconstant R 5.00 n. 0.20 m a At the instant that the bar is moving to the right ata speed of m/s. what are the magnitude and direction v 12.0 circuit? counterclockwise) of the induced current in the Ans. I 0 A direction s inoxeosno A increasin Counter clock walS b) What magnitude and direction (to the left or to the right) of the external force must be applied to the bar to keep it a constant speed of 12.0 m/s? Ans. F- 0.019t directionatee risar to the right maintoinN c) In a 3.00 s interval, how much work does the external force do on the bar?

Explanation / Answer

power = Force * velocity

P = F*v

but P = W/t

So W/t = F*v

So W = F*v*t = 0.01536*12*3 = 0.5529 J

W = 0.553 J

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