University Physics with Modern Physics Plus Mastering Physics with eText -- Access Card Package (14th Edition)

14th Edition

ISBN: 9780321982582

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Chapter 26, Problem 26.20E

In the circuit shown in Fig. E26.20, the rate at which R₁ is dissipating electrical energy is 15.0 W. (a) Find R₁, and R₂. (b) What is the emf of the battery? (c) Find the current through both R₂ and the 10.0-Ω resistor, (d) Calculate the total electrical power consumption in all the resistors and the electrical power delivered by the battery. Show that your results are consistent with conservation of energy.

Figure E26.20

Chapter 26, Problem 26.20E, In the circuit shown in Fig. E26.20, the rate at which R1 is dissipating electrical energy is 15.0

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Chapter 26, Problem 26.19E

Chapter 26, Problem 26.21E

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A block of mass m₁ = 10.0 kg is connected to a block of mass m₂ 34.0 kg by a massless string that passes over a light, frictionless pulley. The 34.0-kg block is connected to a spring that has negligible mass and a force constant of k = 200 N/m as shown in the figure below. The spring is unstretched when the system is as shown in the figure, and the incline is frictionless. The 10.0-kg block is pulled a distance h = 22.0 cm down the incline of angle = 40.0° and released from rest. Find the speed of each block when the spring is again unstretched. Vm1 × 1.32 Vm2 = 1.32 × m/s m/s

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Chapter 26 Solutions

University Physics with Modern Physics Plus Mastering Physics with eText -- Access Card Package (14th Edition)

Ch. 26.1 - Suppose all three of the resistors shown in Fig....Ch. 26.2 - Subtract Eq. (1) from Eq. (2) in Example 26.6. To...Ch. 26.3 - You want to measure the current through and the...Ch. 26.4 - The energy stored in a capacitor is equal to...Ch. 26.5 - To prevent the circuit breaker in Example 26.14...Ch. 26 - In which 120-V light bulb does the filament have...Ch. 26 - Two 120-V light bulbs, one 25-W and one 200-W,...Ch. 26 - You connect a number of identical light bulbs to a...Ch. 26 - In the circuit shown in Fig. Q26.4, three...Ch. 26 - If two resistors R1 and R2 (R2 R1) are connected...

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