Physics
Vandebilt Catholic High School
W. Dupre
Work & Power: Answers to Assignment Problems
Regular Physics (pp. 212 – 215)
6 a) 25 N/m b) 0.5 J
9) 12035.4 J
10) 58.7O
16) 800 J; 588 J
20) 255 J; 127.5 W
21) 110.5 J; 3.16 W
23) 159.5 W
Level 1: Worksheet
10) 4704 J
17) 16 J; 36.8O
24) 24 J; -3 J; 21 J
54) 9800 (60 W bulbs)
59) 6465.3 N
61) 1634 W
75) You may omit this problem since we have not yet covered energy. If you attempted, here are the answers.
83) W = mgh