15) A metal bar with length L = 0.60 m ,mass m = 100 gram, and resi stance R = 15 N is placed on frictionless metal rails that are inclined at an angle Ø = 70° above the horizontal. The rails have negligible resistance. A uniform magneti c fi eld of magnitude B = 1.60 T is directed upward as shown in Figure. The bar is released from rest and slides down the rails. After the terminal speed (constant speed) has been reached, at what rate is electrical energy being converted to thermal energy in the resi stance of the bar? (g = 10 m/s2). A) 26.01 W B) 72.70 W C) 32.55 W D) 122.86 W E) 127.55 W

15) A metal bar with length L = 0.60 m ,mass m = 100 gram, and resi stance R = 15 N is placed on frictionless metal rails that are inclined at an angle Ø = 70° above the horizontal. The rails have negligible resistance. A uniform magneti c fi eld of magnitude B = 1.60 T is directed upward as shown in Figure. The bar is released from rest and slides down the rails. After the terminal speed (constant speed) has been reached, at what rate is electrical energy being converted to thermal energy in the resi stance of the bar? (g = 10 m/s2). A) 26.01 W B) 72.70 W C) 32.55 W D) 122.86 W E) 127.55 W

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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