Question

A bicycle tire fitted was fitted with the air pressure of 75 psi at temperature 19 degree C riding the bike on a asphalt on a hot day increases temperature of the tire to 58 degree C. The volume increase by 4% . What is the new pressure
(P1V1/T1) = (P2V2/T2)
I would make up a convenient number for V1, something like 10 which makes V2 = 10.4. Then substitute and solve for P2. Don't forget T must be in kelvin.
20

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