Conceptual Physics

Answers to selected problems

Chapter 9 Answers

C.1 Yes

Answers vary

0.1 (a) Decrease

(b) Decrease (c) Stay the same (d) Increase

1.1 48 m

2.1 14 rad

2.3 7.17eí4 rad

2.5 (a) 3.54 s
(b) 0.315 rad
(c) 0.500 rad/s

3.1 2.0e+3 m

3.3 1.99eí7 rad/s

3.5 (a) 0.10 rad/s
(b) 23 rad/s

4.1 -28.0 rad/s^2

4.3 í0.12 rad/s^2

7.1 (a) 7.08eí3 rad/s

(b) 2.01eí4 m/s^2 (c) 2.05eí 5 g

7.3 17 m/s

7.5 0.619 rad/s^2

8.1 0.083 m/s^2