Eva pumps up her bicycle tire until it has a gauge pressure of 413 kilopascals. If the surrounding air is at standard pressure, what is the absolute pressure in the bicycle tire?
2 answers:
The tire pressure is the sum of gauge pressure and the standard pressure of atmospheric pressure
We know that the standard air pressure of surrounding = 101.325 kPa
The given gauge pressure = 413 kPascal
So the tire pressure = 101.325 kPa + 413 = 514.325 K Pa
We can also convert the given pascals to atmosphere or Torr or mmHg or bar
Answer:
514 kPa
Explanation:
Given that:-
Gauge pressure = 413 kPa
Also, considering atmospheric pressure = 101.325 kPa
The absolute pressure of the tire is equal to the sum of the gauge pressure and atmospheric pressure. So, the expression is:-
Absolute pressure = Gauge pressure + Atmospheric pressure
Applying the values in the above equation as:-
Absolute pressure = 413 kPa + (101.325 kPa = 514.325 kPa ≅ 514 kPa
<u>Thus, absolute pressure in bicycle tire is:- 514 kPa </u>
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