Chapter 5 Answer Key - BC Science Physics 11
Chapter 5 Answer Key - BC Science Physics 11
Chapter 5 Answer Key - BC Science Physics 11
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Page 167 <strong>Chapter</strong> 5 Review Questions<br />
1a. 9.86 J<br />
1b. 0<br />
2. 126 J<br />
3. Same amount of work both ways<br />
4a. 4<br />
4b. 60 N<br />
4c. <strong>11</strong>.2<br />
4d. 4.2 ×10 2 W<br />
5a. 12<br />
5b. 2.40 m<br />
5c. 168 J<br />
5d. 168 J<br />
6. 3.6 ×10 6 J/s<br />
7. 20 kJ<br />
8. 3Ek<br />
9. 17 cm<br />
10. 20 cm<br />
<strong>11</strong>. 9.9 m/s<br />
12. 523 K<br />
13. 323 o C<br />
14. Metal a good conductor of thermal energy<br />
15a. convection<br />
15b. conduction<br />
15c. radiation/conduction<br />
16. convection. Warm water is less dense than cold water<br />
17. Water gives off 10 times as much heat.<br />
18. approximate 36 o C<br />
19. 720 kJ<br />
20. 93%<br />
Page 171 <strong>Chapter</strong> 5 Extra Practice<br />
1.<br />
2a.<br />
2b.<br />
3.<br />
4.<br />
5.<br />
6a.<br />
6b.<br />
6c.<br />
6d.<br />
6e.<br />
7a.<br />
7b.<br />
Version 12-09-16<br />
<strong>Chapter</strong> 5 Energy 4 © Edvantage Interactive
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