A hand-driven tire pump has a piston with a 2.00 cm diameter and a maximum stroke of 29.0 cm.   (a) How much work (in J) do you do in one stroke if the average gauge pressure is 2.40 ✕ 105 N/m2 (about 35 psi)?   (b)What average force (in N) do you exert on the piston, neglecting friction and gravity?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter3: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 83AP: A hand-driven tire pump has a piston with a 2.50-cm diameter and a maximum stroke of 30.0 cm. (a)...
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A hand-driven tire pump has a piston with a 2.00 cm diameter and a maximum stroke of 29.0 cm.
 
(a) How much work (in J) do you do in one stroke if the average gauge pressure is 2.40 ✕ 105 N/m2 (about 35 psi)?
 
(b)What average force (in N) do you exert on the piston, neglecting friction and gravity?
 
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