PH101 (Mirov)
HOMEWORK # 7
Textbook:
Cutnell, Johnson, PHYSICS
Chapter 7
Problems: 7, 13, 16, 18, 19,
20, 30, 34, 43, 44
Due: May 16, 2001
ANSWERS TO
HOMEWORK # 7
Problem# |
7 |
13 |
16 |
18 |
19 |
Answer |
+69 N |
+4.28 N×s upward |
7.1x105 m/s |
96 kg |
(a) –0.14 m/s (b) –7.1x10-3m/s |
Problem # |
20 |
30 |
34 |
43 |
44 |
Answer |
1.5 m |
182 m/s |
319 m/s |
6.46x10-11
m |
3.0 g 7.0 g |