A car’s tire has a pressure, temperature of 32 psi and 80 deg F, respectively. By mistake, the tire was filled with 0.768 lb of carbon dioxide (R = 0.0451 BTU/lb-R) before deflating and inflating the tire again with air. Prove that: a. 0.502 lb of air was needed to fill the tire; and b. that there was change of pressure of 6.442 psi when the car started moving and the temperature increased by 75 deg C.
A car’s tire has a pressure, temperature of 32 psi and 80 deg F, respectively. By mistake, the tire was filled with 0.768 lb of carbon dioxide (R = 0.0451 BTU/lb-R) before deflating and inflating the tire again with air. Prove that: a. 0.502 lb of air was needed to fill the tire; and b. that there was change of pressure of 6.442 psi when the car started moving and the temperature increased by 75 deg C.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A car’s tire has a pressure, temperature of 32 psi and 80 deg F, respectively. By mistake,
the tire was filled with 0.768 lb of carbon dioxide (R = 0.0451 BTU/lb-R) before deflating
and inflating the tire again with air. Prove that:
a. 0.502 lb of air was needed to fill the tire; and
b. that there was change of pressure of 6.442 psi when the car started moving and
the temperature increased by 75 deg C.
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