http://www.ck12.org Chapter 26. Answers to Selected Problems
1. 10 N
2. 10.5 N
3. 11 N
4. 11 N
- a. “The Thunder Road” b. 2.0 m (note: here and below, you may choose differently) c. 33.5 m^3 e. 3.5 million N
f. 111 MPa
Ch 19: Thermodynamics and Heat Engines
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18. 517 m/s
19. 1. 15 × 1012 K
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21. 40 N
22.≈ 1028 molecules
- 21,000 Pa
- Decreases to 61,000 Pa
- 5.8 km
- No
- allowed by highly improbable state. More likely states are more disordered.
- a. 8. 34 × 1023 b. 6. 64 × 10 −^27 kg c. 1600 m/s d. 744 kPa e. 4. 2 × 1020 or 0.0007 moles g. 0.00785 m^3
- 1.9 MW
- 0.56 MW
- 1.3 Mw
- 54%
- 240 kW
- 890 kW
- 590 kW
- 630 kg
- 98%