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Leokris [45]
3 years ago
7

An automobile tire is filled to a pressure of 240.0 kPa early in the morning when the temperature is 15.0C. After the car is dri

ven all day over hot roads, the tire temperature is 18.0C. Estimate the new pressure.
Physics
1 answer:
yuradex [85]3 years ago
5 0

Answer:

<h2> 242.5kPa</h2>

Explanation:

According to one of the gas laws, \frac{P1}{T1} =\frac{P2}{T2}

Given P1 = 240.0kPa, T1, 15.0°C, T2 = 18.0°C, P2 = ?

Substituting this values into the equation, we have;

\frac{240}{15+273} =\frac{P2}{18+273}\\\frac{240}{288} =\frac{P2}{291}\\

Cross multiplying we have;

288P2 = 240*291

P2 = \frac{240*291}{288} \\P2 = 242.5kPa

The new pressure is 242.5kPa

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