FIFA regulations hold that the air pressure inside soccer balls must always be between 8.5 psi and 15.6 psi. In a 2020 match between Belgium and Croatia, the ball pressure was measured at 10 psi before the match. During the first half of the match, the ball heated up such that by halftime its absolute air pressure increased by 5%. Assume that the air pressure in the stadium was 1.0 atm. (a) What was the absolute air pressure (in atm) in the ball at the start of the game? atm (b) What was the gauge pressure (in psi) in the ball at halftime? psi
FIFA regulations hold that the air pressure inside soccer balls must always be between 8.5 psi and 15.6 psi. In a 2020 match between Belgium and Croatia, the ball pressure was measured at 10 psi before the match. During the first half of the match, the ball heated up such that by halftime its absolute air pressure increased by 5%. Assume that the air pressure in the stadium was 1.0 atm. (a) What was the absolute air pressure (in atm) in the ball at the start of the game? atm (b) What was the gauge pressure (in psi) in the ball at halftime? psi
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Transcribed Image Text:FIFA regulations hold that the air pressure inside soccer balls must always be between 8.5 psi and 15.6 psi. In a 2020 match between Belgium and
Croatia, the ball pressure was measured at 10 psi before the match. During the first half of the match, the ball heated up such that by halftime its absolute
air pressure increased by 5%. Assume that the air pressure in the stadium was 1.0 atm.
(a) What was the absolute air pressure (in atm) in the ball at the start of the game?
atm
(b) What was the gauge pressure (in psi) in the ball at halftime?
psi
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