Conceptual Physics

Answers to selected problems

Chapter 5 Answers

C.1 Yes

Answers vary

C.5 Greater between blocks 1 and 2
Answers vary

C.13Yes

Answers vary

0.1 It can be doing any of these

2.1 0 N (direction does not matter)

4.1 10 dumbells

4.3 (a) 209 N

(b) 21.3 kg

5.1 515 kg

5.3 (a) 5.0 s
(b) 7.0 s
(c) 6.0 s

5.5 1.2eí3 N

5.7 22500 kg

5.9 8.10eí7 N/m^2

5.11(a) 0.0788 N

(b) 0.259 N

5.13(a) 13.4 m/s^2
(b) 603 N
(c) Yes

5.155.1 m/s^2

9.1 (a) 6.54e4 N
(b) 7.57e4 N

10.1í0.233 m/s^2

11.1(a) 1.72 N

(b) 3.34 N

11.3(a) 172 N

(b) 53.0°

12.1117 N

15.1(a) 49 N, Down

(b) 49 N, Up

(c) 78 N, Right

(d) 23 N, Left

17.12.03e3 N

17.3260 N

18.10 m/s^2

18.30.13

18.50.0950

22.1(a) 59 N, Straight down

(b) 51 N, Up and to the left

(c) 23 N, Down the plane

(d) 78 N, Up the plane

23.1-0.301 m

23.3(a)1.25 m/s^2

(b) Upward

23.5(a) 4.12e+3 lbs/in

(b) 7.21e+5 N/m

24.11.60

25.1(a) 12 N, Directly to the right

(b) Any magnitude greater than 10 N, Directly to the right

(c) 10 N, Directly to the right

Copyright 2000-2007 Kinetic Books Co. Chapter 5 Answers^725