Chapter 14 - College Physics, 7^th Edition (Sears, Zemansky, Young)

14 – 1. a) 16.7°C b) 33.3°C c) –7.8°C

14 – 2. a) yes ( 102.2°F) b) 37°C c) -40°C

14 – 3. 77.3 K

14 – 4. -286°C

14 – 5. 600.46 K

14 – 6. 10.9 cm

14 – 7. 0.065 m

14 – 8. 79.95 m

14 – 9. -0.06 %

14 – 10. 2 x 10^-5 (C°) ^–1

14 – 11. 0.4009 cm

14 – 12. 1.806 cm

14 – 13. 499.73 ml

14 – 14. 61.7°C

14 – 15. 4.6 x 10 ^–5 (C°)^-1

14 – 16. 28 L

14 – 17. -5 x 10^-5 (C°)^-1; 6.86 x 10^-4 (C°)^-1

14 – 18. 4.3 x 10⁵ N

14 – 19. a) 7.4 mm b) 1.1 x 10⁸ Pa

14 – 20. a) 1.5 x 10^-5 (C°) ^–1 b) 2.2 x 10⁹ Pa

14 – 21. a) 911 atm b) 46.4°C

14 – 22. 2.1 x 10⁸ Pa

14 – 23. a) + 2.9 x 10^-6 m³ b) – 7.8 kg/m³

14 – 24. 25.965 m

14 – 25. 76.6 m

14 – 26. a) 131°C b) -146°C

14 – 27. ?

14 – 28. 19 cm

14 – 29. 31.1 cm; 8.9 cm

14 – 30. 2.9 x 10⁸ Pa

14 – 31. 5.07 x 10⁷ Pa

14 – 32. ?

14 – 33. 27.2°C

14 – 34. 1.05 x 10⁸ Pa in each rod

14 – 35. a) –0.024% b) Gains 10 s c) 1.9°C

14 – 36. b) air: 3.41 x 10^-3(C°)^-1; copper: 5.1 x 10^-5 (C°)^-1