PH102 (Mirov)

HOMEWORK # 3

Textbook: Cutnell, Johnson, PHYSICS

Chapter 17. Problems: 6, 13, 14, 20, 22, 26, 28, 29, 36, 40, 52

Due: July 2, 2001

ANSWERS TO HOMEWORK # 3

CHAPTER 17

Problem

#

6

13

14

20

22

26

Answer

8.42 m

1.5x10⁴ Hz

3.7°

445 Hz

a) f_y=387Hz; f_x=395 Hz

b) f_y=397 Hz; f_x=389 Hz

1.95x10^-3 s

Problem

#

28

29

36

40

52

Answer

130 Hz

l=1.00 m

v=85.0 m/s

f=17.0 Hz

8.6 m

8.6x10^-3 m

2.66x10^-25 kg

l=8.0 cm

v=-12.0 cm/s

f=1.5 Hz

v_max=28.3 cm/s