### Understanding Atmospheric Pressure at Sea LevelAtmospheric pressure at sea level is 14.7 psi (or lb/in²). How many pascals is this?#### Choose the correct answer:- ○ 1010 kPa- ○ 101 Pa- ● 101 kPa- ○ 5700 Pa### Explanation:- **14.7 psi (pounds per square inch)** is a common measure of atmospheric pressure at sea level.- **1 psi** is equal to **6894.76 pascals (Pa)**.- Therefore, **14.7 psi** is approximately equal to **101,325 Pa** or **101 kPa**. Conversion Formula:\[ 14.7 \, \text{psi} \times 6894.76 \, \text{Pa/psi} = 101,325.372 \, \text{Pa} \]Since 1 kPa = 1000 Pa, converting to kPa:\[ 101,325.372 \, \text{Pa} / 1000 = 101.325 \, \text{kPa} \]This shows that the atmospheric pressure of 14.7 psi is about 101 kPa. Therefore, the correct answer is **101 kPa**.

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Atmospheric pressure at sea level is 14.7 psi (or lb/in2). How many pascals is this? 1010 kPa 101 Pa 101 kPa 5700 Pa

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Question

### Understanding Atmospheric Pressure at Sea Level

Atmospheric pressure at sea level is 14.7 psi (or lb/in²). How many pascals is this?

#### Choose the correct answer:
- ○ 1010 kPa
- ○ 101 Pa
- ● 101 kPa
- ○ 5700 Pa

### Explanation:
- **14.7 psi (pounds per square inch)** is a common measure of atmospheric pressure at sea level.
- **1 psi** is equal to **6894.76 pascals (Pa)**.
- Therefore, **14.7 psi** is approximately equal to **101,325 Pa** or **101 kPa**.

Conversion Formula:
\[ 14.7 \, \text{psi} \times 6894.76 \, \text{Pa/psi} = 101,325.372 \, \text{Pa} \]

Since 1 kPa = 1000 Pa, converting to kPa:
\[ 101,325.372 \, \text{Pa} / 1000 = 101.325 \, \text{kPa} \]

This shows that the atmospheric pressure of 14.7 psi is about 101 kPa. Therefore, the correct answer is **101 kPa**.

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