University Physics with Modern Physics (14th Edition)

14th Edition

ISBN: 9780321973610

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Textbook Question

Chapter 29, Problem 29.46P

A very long, rectangular loop of wire can slide without friction on a horizontal surface. Initially the loop has part of its area in a region of uniform magnetic field that has magnitude B = 2.90 T and is perpendicular to the plane of the loop. The loop has dimensions 4.00 cm by 60.0 cm, mass 24.0 g, and resistance R = 5.00 × 10⁻³ Ω. The loop is initially at rest; then a constant force F_ext = 0.180 N is applied to the loop to pull it out of the field (Fig. P29.46). (a) What is the acceleration of the loop when ʋ = 3.00 cm/s? (b) What are the loop’s terminal speed and acceleration when the loop is moving at that terminal speed? (c) What is the acceleration of the loop when it is completely out of the magnetic field?

Figure P29.46

Chapter 29, Problem 29.46P, A very long, rectangular loop of wire can slide without friction on a horizontal surface. Initially

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Chapter 29, Problem 29.45E

Chapter 29, Problem 29.47P

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A very long, rectangular loop of wire can slide without fnction on a horizontal surface. Initially the loop has part of its area in a region of uniform magnetic field that has magnitude B=3.10 T and is perpendicular to the plane of the loop.The loop has dimensions 4.00 cm by 60.0 cm, mass 260 g, and resistance R=6.00×10−3Ω The loop is initially at rest, then a constant force Fext = 0.180 N is applied to the loop to pull it out of the field (Figure 1).. i ) What is the acceleration of the loop when v = 3.00 cm/s? a = ---------m/s^2

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A cart is being pulled so that it moves at a constant speed of 0.3 m/s. It goes from a region where there is no magnetic field to a region of uniform B-field with a magnitude of 0.5 T. The B-field is oriented perpendicular to the direction the cart is moving. Attached to the cart is a square loop of wire with 12.0 cm long sides and a 3.0 Ω lightbulb. The loop is oriented so that the face of the loop is perpendicular to the external B-field. Neglect the resistance of the wires themselves. A) A sketch of the physical situation with all given physical quantities clearly labeled. If the description above consists of an initial and final state, both of these states should be represented in your sketch. Hint: orient the external B-field into or out of the page to make drawing your sketch easier B) Draw qualitative graphs showing the emf across the loop and the current through the loop over time as the cart first enters and then exits the B-field on the far side. Indicate which direction…

Chapter 29 Solutions

University Physics with Modern Physics (14th Edition)

Ch. 29.2 - The accompanying figure shows a wire coil being...Ch. 29.3 - (a) Suppose the magnet in Fig. 29.14a were...Ch. 29.4 - The earths magnetic field points toward (magnetic)...Ch. 29.5 - If you wiggle a magnet back and forth in your...Ch. 29.6 - Prob. 29.6TYU Ch. 29.7 - Prob. 29.7TYU Ch. 29 - A sheet of copper is placed between the poles of...Ch. 29 - Prob. 29.2DQ Ch. 29 - Prob. 29.3DQ Ch. 29 - Prob. 29.4DQ

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