Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 22.2, Problem 2bTH
Five loops of copper wire of same gauge (cross−sectional area). Loops 1−4 are identical; loop
5 has the same height as the others but is longer. At the instant shown, all the loops are moving at the same speed in the directions indicated.
There is a uniform magnetic field pointing out of the page in region I; in region II there is no magnetic field. Ignore any interactions between the loops.
b. Rank the magnitudes of the emfs around the loops. Explain your reasoning.
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A pendulum has a 0.4-m-long cord and is given a tangential velocity of 0.2 m/s toward the
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Determine the equation which describes the angular motion.
Express your answer in terms of the variable t. Express coefficients in radians to three significant figures.
ΜΕ ΑΣΦ
vec
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Part A
■Review
The uniform 150-lb stone (rectangular block) is being turned over on its side by pulling the
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(Figure 1)
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Express your answer to three significant figures and include the appropriate units.
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ft
VA 10.76
S
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Consider the circuit shown in the figure. The battery has emf ε = 69 volts and negligible internal resistance. The inductance is L = 0.4 H and the resistances are R 1 = 12 Ω and R 2 = 9.0 Ω. Initially the switch S is open and no currents flow. Then the switch is closed. After leaving the switch closed for a very long time, it is opened again. Just after it is opened, what is the current in R 1?
Chapter 22 Solutions
Tutorials in Introductory Physics
Ch. 22.1 - Use Lenz’ law to predict whether current will flow...Ch. 22.1 - For each of the cases in which you predicted that...Ch. 22.1 - Suppose that the radius of the loop were...Ch. 22.1 - Check your answer regarding the direction of the...Ch. 22.1 - Find: the direction of the magnetic moment of the...Ch. 22.1 - A copper wire loop is initially at rest in a...Ch. 22.2 - On the two diagrams below, indicate the direction...Ch. 22.2 - Suppose the loop were replaced by a second loop...Ch. 22.2 - Five loops of copper wire of same gauge...Ch. 22.2 - Five loops of copper wire of same gauge...
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- A capacitor with a capacitance of C = 5.95×10−5 F is charged by connecting it to a 12.5 −V battery. The capacitor is then disconnected from the battery and connected across an inductor with an inductance of L = 1.55 H . At the time 2.35×10−2 s after the connection to the inductor is made, what is the current in the inductor? At that time, how much electrical energy is stored in the inductor?arrow_forwardCan someone help me with this question. Thanks.arrow_forwardCan someone help me with this question. Thanks.arrow_forward
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