COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 15, Problem 32QAP
To determine
(a)
Estimate the work (in J) done in driving a car across America
To determine
(b)
If the energy required to do that work were added to an Olympic sized swimming pool, how much would the temperature of water rises?
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Students have asked these similar questions
In a gas expansion, 81 J of heat is absorbed by the system, and the energy of the system decreases by 124 J. Calculate the work done.
Work of 2000 J is done on an ideal gas, but the internal energy increases by only 1700 J. What is the amount and direction of heat flow into or out of the system?
The specific heat of a substance varies with temperature according to the function c = 0.20 + 0.14T + 0.023T, with T in degrees celsius and c in cal/g K. Find the energy required to raise the temperature of this substance from 5.0 degrees celsius to 15 degrees celsius.
Chapter 15 Solutions
COLLEGE PHYSICS
Ch. 15 - Prob. 1QAPCh. 15 - Prob. 2QAPCh. 15 - Prob. 3QAPCh. 15 - Prob. 4QAPCh. 15 - Prob. 5QAPCh. 15 - Prob. 6QAPCh. 15 - Prob. 7QAPCh. 15 - Prob. 8QAPCh. 15 - Prob. 9QAPCh. 15 - Prob. 10QAP
Ch. 15 - Prob. 11QAPCh. 15 - Prob. 12QAPCh. 15 - Prob. 13QAPCh. 15 - Prob. 14QAPCh. 15 - Prob. 15QAPCh. 15 - Prob. 16QAPCh. 15 - Prob. 17QAPCh. 15 - Prob. 18QAPCh. 15 - Prob. 19QAPCh. 15 - Prob. 20QAPCh. 15 - Prob. 21QAPCh. 15 - Prob. 22QAPCh. 15 - Prob. 23QAPCh. 15 - Prob. 24QAPCh. 15 - Prob. 25QAPCh. 15 - Prob. 26QAPCh. 15 - Prob. 27QAPCh. 15 - Prob. 28QAPCh. 15 - Prob. 29QAPCh. 15 - Prob. 30QAPCh. 15 - Prob. 31QAPCh. 15 - Prob. 32QAPCh. 15 - Prob. 33QAPCh. 15 - Prob. 34QAPCh. 15 - Prob. 35QAPCh. 15 - Prob. 36QAPCh. 15 - Prob. 37QAPCh. 15 - Prob. 38QAPCh. 15 - Prob. 39QAPCh. 15 - Prob. 40QAPCh. 15 - Prob. 41QAPCh. 15 - Prob. 42QAPCh. 15 - Prob. 43QAPCh. 15 - Prob. 44QAPCh. 15 - Prob. 45QAPCh. 15 - Prob. 46QAPCh. 15 - Prob. 47QAPCh. 15 - Prob. 48QAPCh. 15 - Prob. 49QAPCh. 15 - Prob. 50QAPCh. 15 - Prob. 51QAPCh. 15 - Prob. 52QAPCh. 15 - Prob. 53QAPCh. 15 - Prob. 54QAPCh. 15 - Prob. 55QAPCh. 15 - Prob. 56QAPCh. 15 - Prob. 57QAPCh. 15 - Prob. 58QAPCh. 15 - Prob. 59QAPCh. 15 - Prob. 60QAPCh. 15 - Prob. 61QAPCh. 15 - Prob. 62QAPCh. 15 - Prob. 63QAPCh. 15 - Prob. 64QAPCh. 15 - Prob. 65QAPCh. 15 - Prob. 66QAPCh. 15 - Prob. 67QAPCh. 15 - Prob. 68QAPCh. 15 - Prob. 69QAPCh. 15 - Prob. 70QAPCh. 15 - Prob. 71QAPCh. 15 - Prob. 72QAPCh. 15 - Prob. 73QAPCh. 15 - Prob. 74QAPCh. 15 - Prob. 75QAPCh. 15 - Prob. 76QAPCh. 15 - Prob. 77QAPCh. 15 - Prob. 78QAPCh. 15 - Prob. 79QAPCh. 15 - Prob. 80QAPCh. 15 - Prob. 81QAPCh. 15 - Prob. 82QAPCh. 15 - Prob. 83QAPCh. 15 - Prob. 84QAPCh. 15 - Prob. 85QAPCh. 15 - Prob. 86QAPCh. 15 - Prob. 87QAPCh. 15 - Prob. 88QAPCh. 15 - Prob. 89QAPCh. 15 - Prob. 90QAPCh. 15 - Prob. 91QAPCh. 15 - Prob. 92QAPCh. 15 - Prob. 93QAPCh. 15 - Prob. 94QAPCh. 15 - Prob. 95QAPCh. 15 - Prob. 96QAPCh. 15 - Prob. 97QAPCh. 15 - Prob. 98QAPCh. 15 - Prob. 99QAPCh. 15 - Prob. 100QAP
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- Consider the latent heat of fusion and the latent heat of vaporization for H2O, 3.33 105 J/kg and 2.256 106 J/kg, respectively. How much heat is needed to a. melt 2.00 kg of ice and b. vaporize 2.00 kg of water? Assume the temperatures of the ice and steam are at the melting point and vaporization point, respectively. (a). UsingEq21.9, Q = mLF = (2.00 kg) (3.33l05 J/kg) = 6.66105 J (b).UsingEq21.10. Q = mLV = (2.00kg) (2.256106 J/kg) = 14.51106 Jarrow_forwardOne of a dilute diatomic gas occupying a volume of 10.00 L expands against a constant pressure of 2.000 atm when it is slowly heated. If the temperature of the gas rises by 10.00 K and 400.0 J of heat are added in the process, what is its final volume?arrow_forwardIn performing 100.0 J of work, an engine discharges 50.0 J of heat. What is the efficiency of the engine?arrow_forward
- A firewalker runs across a bed of hot coals without sustaining burns. Calculate the heat transferred by conduction into the sole of one foot of a firewalker given that the bottom of the foot is a 3.00-mm-thick callus with a conductivity at the low end of the range for wood and its density is 300 kg/m3. The area of contact is 25.0 cm2 the temperature of the coals is 700 , and the time in contact is 1.00 s. Ignore the evaporative cooling of sweat.arrow_forwardRubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth for a total of 20 rubs, at a distance of 7.50 cm per nub, and with an average frictional force of 40.0 N, what is the temperature increase? The mass of tissues warned is only 0.100 kg, mostly in the palms and fingers.arrow_forwardThe questions is: What is the change in the internal energy of the system if 400 J of heat is added to the system and 2300 J of work is done by the system?arrow_forward
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