Page 1622 - College Physics For AP Courses
P. 1622
1610 Answer Key
68
479 N
70
1.96 N
71
73
(a)
(b)
75
(a) (b) 77
(a)
(b)
79
(a) (b)
(b)
(c)
83
(a)
(b)
(c) 283 N
85
(a) 867 N
(b) This is too much force to exert with a hand pump.
(c) The assumed radius of the pump is too large; it would be nearly two inches in diameter—too large for a pump or even a master cylinder. The pressure is reasonable for bicycle tires.
Test Prep for AP® Courses
1
(e)
3
(a) 100 kg/m3 (b) 60% (c) yes; yes (76% will be submerged) (d) answers vary
Chapter 12
Problems & Exercises
1
3
27 cm/s
, which is sufficient to trigger micturition reflex
13.6 m water 76.5 cm water
2.97 cm
(c) Work is done by the surface tension force through an effective distance to raise the column of water. 81
(a)
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