Chapter 6
1
3 5 15 17 19 21 23 26 28 30 32 33 35 37 39 42 43 47 50 51 58 60 65 |
7.27 x 10^3 J
a. 920 J b. 5.2 x 10^3 J 490 J 484 m/s -1.64 x 10^-18 J 44 m/s 2.25 times greater 1.1 N 0.34 m 2.5 x 103 J a. 45.3 J b. 12 J c. PE is measured by the change in position, and since the book stared at ground level, the answer is 45.3 J 61 cm 1.4 m 5.14 m/s a. 9.2 m/s b. depressed 0.31 m a. 8.3 m/s b. 3.6 m a. 100 N/m b. 22 m/s2 Point 2 26 m/s point 3 12 m/s point 4 20 m/s 5.3 x 10^6 J (Note: Just treat thermal energy like energy, don’t worry about the word “thermal.” a. 16.0 m/s b. 1.06 N a. 25% b. 5.4 m/s c. You tell me. :) 28.2 sec 6.6 x 10^4 W (about 88 horsepower) 480 W |