phy 2 please help Chapter 30, Problem 029 In the figure, a metal rod is forced t

Question

phy 2 please help

Chapter 30, Problem 029 In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal at one end. A magnetic field of magnitude B 0.334 T points out of the page. (a) If the rails are separated by 21.2 cm and the speed of the rod is 47.7 cm/s, what is the magnitude of the emf generated in volts? (b) If the rod has a nce of 16.3 2 and the rails and connector have negligible resistance, what is the curre t rate is energy being in amperes in the ro energy (a) (b) Units W (c) Number

Explanation / Answer

a) E=Blv= 0.03377 volt =33.7 mV

b) i= E/r = 2.07 mA =0.002 Amps

c) Energy =6.99 *10^-5 W

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