Page 1619 - College Physics For AP Courses
P. 1619
Answer Key 1607
By substituting,
120 N•m • 1.2 s = 144 N•m•s.
The angular momentum of the globe after 1.2 s is 144 N•m•s.
Chapter 11
Problems & Exercises
1
3
(a) 2.58 g
(b) The volume of your body increases by the volume of air you inhale. The average density of your body decreases when you take a deep breath, because the density of air is substantially smaller than the average density of the body before you took the deep breath.
4
6
(a) 0.163 m
(b) Equivalent to 19.4 gallons, which is reasonable 8
9
10
(a) (b)
11
; or 13
14
0.760 m
16
(a) 20.5 mm Hg
(b) The range of pressures in the eye is 12–24 mm Hg, so the result in part (a) is within that range
20
22
24.0 N
24
18
; or 251 atm
