The maximum pressure is on the side of the tire. The recommended pressure depends on the vehicle you are putting the tire on. Look in Owner's Manual or on label that is located on driver's side door jamb.
Tire pressures range from 32 psi to 44 psi depending on the tire. The recommended pressure will be stamped on the sidewall some where. do NOT use the sidewall that is the MAX pressure for other applications use the door jamb info sticker and never inflate a p-rated tire above 35psi regardless of the max listing on the sidewall
A/P - Air Pressure .
30psi
If you would like a soft ride, generally these tires are inflated to 28PSI all around; If you would like the best gas mileage and tire life I would inflate them to the maximum listed on the tire generally 32 to 35 PSI.
P is proportional to N for fixed V.
Turning off the Tire Pressure Monitoring System (TPMS) light on your 2011, 2012, 2013, 2014, 2015 Honda Accord, follow these steps: Make sure the vehicle is at a complete stop, the shift lever is in N (for manual transmission) or the shift lever is in P (for Automatic transmission/CVT models). Turn the engine switch off. Adjust the tire inflation pressure recommended on the tire placard located on the door panel. Turn the engine switch to the on position. Press the MENU button to enter the Vehicle Menu screen. Select Customize Settings. Select TPMS Calibration. Select Yes and wait until the calibration process finishes. Models with information display: Make sure the vehicle is at a complete stop, the shift lever is in N (for manual transmission) or the shift lever is in P (for Automatic transmission/CVT models). Turn the engine switch off. Adjust the tire inflation pressure recommended on the tire placard located on the door panel. Turn the engine switch to the on position. Locate and press the TPMS button until the low tire pressure or TPMS indicator blinks twice.
From the Owner's manual :How to initialize the tire pressure warning systemPark the vehicle in safe place and turn the "POWER" switch OFF.While the vehicle is moving, initialization is not performed.Adjust the tire inflation pressure to the specified cold tire inflationpressure level. (→P. 565)Make sure to adjust the tire pressure to the specified cold tire inflation pressure level.The tire pressure warning system willoperate based on this pressure level.Turn the "POWER" switch to ON mode.Push and hold the tire pressure warning reset switch until the tirepressure warning light blinks slowly 3 times.Wait for a few minutes with the ON mode, and then turn"POWER" switch OFF
The contact area of a pneumatic tire can be approximated using the formula ( A = \frac{W}{P} ), where ( A ) is the contact area, ( W ) is the load on the tire, and ( P ) is the tire pressure. This formula assumes a uniform distribution of pressure across the contact patch. For more accurate calculations, factors like tire shape and tread design may also be considered.
P : Passenger Car .
The contact area of an item with pneumatic tires can be estimated using the formula ( A = \frac{W}{P} ), where ( A ) is the contact area, ( W ) is the weight of the item (in pounds or kilograms), and ( P ) is the tire pressure (in psi or pascals). This formula assumes a uniform distribution of pressure across the tire's contact patch. However, in practice, factors such as tire design and load distribution can also affect the actual contact area.
if there is a system consisting of A & B .the pressure of the system is P then the partial pressure of A is=(mol.fraction of A).P partial pressure of B is=(mol.fraction of B).p
but i think the absolute pressure is P(pressure)/{p(density)*g(gravity)}