Page 1590 - College Physics For AP Courses
P. 1590
1578 Answer Key
greatest at the beginning, so it would not be accelerating at during the last few meters, but substantially less, and the final velocity would be less than 162 m/s.
39
104 s
40
(a) ;
(b)
41
(a) ;
(b) ;
(c) ; (d) ; 43
45
(a) ; ;
(b) . Unknown is distance to top of trajectory, where velocity is zero. Use equation
because it contains all known values except for , so we can solve for . Solving for gives
(2.100)
Dolphins measure about 2 meters long and can jump several times their length out of the water, so this is a reasonable result.
(c) 47
Figure 2.57.
(a) 8.26 m
(b) 0.717 s
49
1.91 s
51
(a) 94.0 m (b) 3.13 s
This OpenStax book is available for free at http://cnx.org/content/col11844/1.14
