Chapter Assumptions
Unless stated otherwise, use the following values.rEarth = 6.38×10^6 m
MEarth = 5.97×10^24 kg
Answers to selected problems
Chapter 12 Answers
0.1 (a) Decrease
(b) Increase
1.1 9.04e4 N
1.3 4.11e11 m
1.5 (2.0eí9,í5.2eí10) N
2.1 9.76 m/s^2
2.3 24.8 m/s^2
8.1 7900 m/s
9.1 7.69e3 m/s
9.3 1.02e3 m/s
11.1 3160 m/s12.1 (a) It increases
(b) It decreases
14.1 22.7 AU
14.3 (a) 1.00 AU
(b) 0.050
14.5 22.9 AU16.1 (a) 3.74e8 s
(b) 11.9 years
16.3 2.40e+9 s
16.5 400 hours
16.6 1.05e4 years
17.1 (a) í6.32e11 J
(b) 3.16e11 J
(c) í3.16e11 J
17.3 1.47e+13 J
17.5 í1.14e10 J
18.1 1.04e4 m/s
18.3 (a) 3.55e4 m/s
(b) 3.76e4 m/s
18.5 (a) 1.47e4 m
(b) 2.95e12 m(^732) Copyright 2000-2007 Kinetic Books Co. Chapter 12 Answers