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Physics 217 Homework 11: Problems on Heat, Light, and Sound, Assignments of Physics

The eleventh homework assignment for physics 217: heat, light, and sound, taught by dr. Boris kiefer in fall 2007. The assignment includes problems from chapter 17 of the textbook 'physics for scientists and engineers' by r. D. Knight, with due date on 11/09/07. Students are required to solve problems 5, 19, 23, 25, and 66, as well as additional problems. The problems cover topics such as energy consumption, heat capacity, and ideal gases.

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Uploaded on 08/09/2009

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PHYS 217 Heat, Light, and Sound Fall 2007
Dr. Boris Kiefer
Homework 11
Handed out: 11/02/07
Due date: 11/09/07 before class
Textbook: R. D. Knight; Physics for Scientists and Engineers
Chapter 17:
Problems: 5, 19, 23; 25; 66.
Additional problems:
Problem 1: A “typical” adult male consumes about 2500 kcal of food in a day. If this
consumed energy is dissipated over the course of 24 hours, what is the average output
power in watts?
Problem 2: A well insulated bucket contains 150 g of ice at 0oC. (a; 1 Point) If 20 g of
steam are injected into the bucket, what is the final equilibrium temperature of the
system? Is any ice left afterwards?
Problem 3: One mole of an ideal gas is heated while its volume changes, so that
2
P
A
T
= , where A is a constant. The temperature changes from T0 to 4*T0. Find the
work done by the gas. Express your result in terms P0, V0, the pressure and volume at
temperature T0.

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Download Physics 217 Homework 11: Problems on Heat, Light, and Sound and more Assignments Physics in PDF only on Docsity!

PHYS 217 Heat, Light, and Sound Fall 2007

Dr. Boris Kiefer

Homework 11

Handed out: 11/02/

Due date: 11/09/07 before class

Textbook: R. D. Knight; Physics for Scientists and Engineers

Chapter 17: Problems: 5, 19, 23; 25; 66.

Additional problems:

Problem 1: A “typical” adult male consumes about 2500 kcal of food in a day. If this consumed energy is dissipated over the course of 24 hours, what is the average output power in watts?

Problem 2: A well insulated bucket contains 150 g of ice at 0o^ C. (a; 1 Point) If 20 g of steam are injected into the bucket, what is the final equilibrium temperature of the system? Is any ice left afterwards?

Problem 3: One mole of an ideal gas is heated while its volume changes, so that

T = AP^2 , where A is a constant. The temperature changes from T 0 to^ 4*T 0. Find the work done by the gas. Express your result in terms P 0 , V 0 , the pressure and volume at temperature T 0.