L=0.50m M=80grR=5ohmØ=50°B=0.50T BA metal bar with length L = m ,mass m = 0 gram, and resistanceR =is placed on frictionl ess metal rails that are inclined at an angleabove the horizontal. The rails have negligible resistance. A uniformmagneti c field of magnitude B = 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 wnat rate is electrical energy beingconverted to thermal energy in the resi stance of the bar? (g = 10 m/s²).A) 26.01 WB) 72.70 WC) 32.55 W D) 122.86 W E) 127.55 With1onoth

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r with length L = m ,mass m 0 gram, and re

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 84CP: The accompanying figure shows a metal disk of inner radius r1 and other radius r2 rotating at an...

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Question

L=0.50m M=80gr R=5ohm Ø=50° B=0.50T

B
A metal bar with length L = m ,mass m = 0 gram, and resistance
R =
is placed on frictionl ess metal rails that are inclined at an angle
above the horizontal. The rails have negligible resistance. A uniform
magneti c field of magnitude B = 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 wnat 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
ith
1onoth

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