Conceptual Physics / MasteringPhysics (Book & Access Card)
12th Edition
ISBN: 9780321908605
Author: Paul G. Hewitt
Publisher: PEARSON
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Chapter 3, Problem 41RCQ
Jogging Jake runs along a train flatcar that moves at the velocities shown in positions A-D. From greatest to least, rank Jake’s velocities relative to a stationary observer on the ground. (Call the direction to the right positive.)
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Kirchoff's Laws. A circuit contains 3 known resistors, 2 known batteries, and 3 unknown currents as shown.
Assume the current flows through the circuit as shown (this is our initial guess, the actual currents may be
reverse). Use the sign convention that a potential drop is negative and a potential gain is positive.
E₂ = 8V
R₁₁ = 50
R₂ = 80
b
с
w
11
www
12
13
E₁ = 6V
R3 = 20
a) Apply Kirchoff's Loop Rule around loop abefa in the clockwise direction starting at point a. (2 pt).
b) Apply Kirchoff's Loop Rule around loop bcdeb in the clockwise direction starting at point b. (2 pt).
c) Apply Kirchoff's Junction Rule at junction b (1 pt).
d) Solve the above 3 equations for the unknown currents I1, 12, and 13 and specify the direction of the current
around each loop. (5 pts)
I1 =
A
12 =
A
13 =
A
Direction of current around loop abef
Direction of current around loop bcde
(CW or CCW)
(CW or CCW)
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Chapter 3 Solutions
Conceptual Physics / MasteringPhysics (Book & Access Card)
Ch. 3 - As you read this in your chair, how fast are you...Ch. 3 - Prob. 2RCQCh. 3 - Prob. 3RCQCh. 3 - Prob. 4RCQCh. 3 - Prob. 5RCQCh. 3 - Prob. 6RCQCh. 3 - Prob. 7RCQCh. 3 - Prob. 8RCQCh. 3 - Prob. 9RCQCh. 3 - Prob. 10RCQ
Ch. 3 - Prob. 11RCQCh. 3 - Prob. 12RCQCh. 3 - Prob. 13RCQCh. 3 - Prob. 14RCQCh. 3 - Prob. 15RCQCh. 3 - Prob. 16RCQCh. 3 - Prob. 17RCQCh. 3 - Prob. 18RCQCh. 3 - Prob. 19RCQCh. 3 - Prob. 20RCQCh. 3 - Prob. 21RCQCh. 3 - Prob. 22RCQCh. 3 - Prob. 23RCQCh. 3 - Prob. 24RCQCh. 3 - Prob. 25RCQCh. 3 - Try this with your friends. Hold a dollar bill so...Ch. 3 - Prob. 27RCQCh. 3 - Prob. 28RCQCh. 3 - Prob. 29RCQCh. 3 - Prob. 30RCQCh. 3 - Prob. 31RCQCh. 3 - Prob. 32RCQCh. 3 - Prob. 33RCQCh. 3 - Prob. 34RCQCh. 3 - Prob. 35RCQCh. 3 - Prob. 36RCQCh. 3 - Prob. 37RCQCh. 3 - Prob. 38RCQCh. 3 - Prob. 39RCQCh. 3 - Prob. 40RCQCh. 3 - Jogging Jake runs along a train flatcar that moves...Ch. 3 -
A track is made from a piece of channel iron as...Ch. 3 - A ball is released at the left end of three...Ch. 3 - Three balls of different masses are thrown...Ch. 3 - Here we see a top view of an airplane being blown...Ch. 3 - Here we see top views of three motorboats crossing...Ch. 3 - Prob. 47RCQCh. 3 - Prob. 48RCQCh. 3 - Prob. 49RCQCh. 3 - Prob. 50RCQCh. 3 - Prob. 51RCQCh. 3 - Prob. 52RCQCh. 3 - Prob. 53RCQCh. 3 - Prob. 54RCQCh. 3 - Prob. 55RCQCh. 3 - Prob. 56RCQCh. 3 - Prob. 57RCQCh. 3 - Prob. 58RCQCh. 3 - Prob. 59RCQCh. 3 - Prob. 60RCQCh. 3 - Prob. 61RCQCh. 3 - Prob. 62RCQCh. 3 - Prob. 63RCQCh. 3 - Prob. 64RCQCh. 3 - Prob. 65RCQCh. 3 - Prob. 66RCQCh. 3 - Prob. 67RCQCh. 3 - Prob. 68RCQCh. 3 - Prob. 69RCQCh. 3 - Prob. 70RCQCh. 3 - Prob. 71RCQCh. 3 - Prob. 72RCQCh. 3 - Prob. 73RCQCh. 3 - Prob. 74RCQCh. 3 - Prob. 75RCQCh. 3 - Prob. 76RCQCh. 3 - Prob. 77RCQCh. 3 - Prob. 78RCQCh. 3 - Prob. 79RCQCh. 3 - Prob. 80RCQCh. 3 - Prob. 81RCQCh. 3 - Prob. 82RCQCh. 3 - Prob. 83RCQCh. 3 - Prob. 84RCQCh. 3 - Prob. 85RCQCh. 3 - Prob. 86RCQCh. 3 - Prob. 87RCQCh. 3 - 88. On which of these hills does the ball roll...Ch. 3 - Prob. 89RCQCh. 3 - Prob. 90RCQCh. 3 - Prob. 91RCQCh. 3 - Prob. 92RCQCh. 3 - Prob. 93RCQCh. 3 - Prob. 94RCQCh. 3 - 95. Two balls are released simultaneously from...Ch. 3 - Prob. 96RCQCh. 3 - Prob. 97RCQCh. 3 - Prob. 98RCQCh. 3 - Prob. 99RCQCh. 3 - Prob. 100RCQ
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