A cofucting toud of length moves on two horizontal, frictionless ralisy, ac in t

Question

A cofucting toud of length moves on two horizontal, frictionless ralisy, ac in the figure. A cortant foeca of 1.00 N moves the bar at 2.00 m/'s theougha magnotic fioild n chat is directes (a) What is the curtnt through 9.00 resistor R? (b) wwhat is the rate at which energy is deliverod to the resister? (c) What is the mecharical power dellvered by the force Fapp? Noed Help? s POPS 23 P33 an inductance of and the current 1.50 A in a time interval of o.350 s. Find the magnitude of the average induced emf in the mt, in it changes fram 0.200 A to this time interval Need Help?ee Type here to search

Explanation / Answer

(A) P = F.v = I^2 R

(1 N) (2 m/s) = I^2 (9 ohm)

I = 0.471 A  

(B) P = I^2 R = 2 Watt  

(C) Fapp = 2 x 1 = 2 Watt

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