10.0 m (10.0, 8.0) (4.0, 8.0) 38. 8.0 f 6.0 t 4.0 39. 2.0 t 0 4.0 16.0 12.0 8.0 Time (s) 40. AFIGURE 2.23 Velocity versus time See Exercises 33 and 51. 34. Figure 2.24 shows a plot of velocity versus time for object in linear motion. (a) Compute the acceleration for each phase of motion. (b) Describe how the object moves during the last time segment. . V 41. an 10.0 42. 8.0 6.0 4.0 2.0 t 12.0 43. 4.0 2.0 8.0 6.0 10.0 -2.0 -4.0 -6.0 -8.0 44 -10.0 -12.0 Time (s) FIGURE 2.24 Velocity versus time See Exercises 34 and 55. 45 35. A car initially traveling to the right at a steady speed of 25 m/s for 5.0 s applies its brakes and slows at a con- stant rate of 5.0 m/s for 3.0 s. It then cnontinues traveling Velocity (m/s) Velocity (m/s)

10.0 m (10.0, 8.0) (4.0, 8.0) 38. 8.0 f 6.0 t 4.0 39. 2.0 t 0 4.0 16.0 12.0 8.0 Time (s) 40. AFIGURE 2.23 Velocity versus time See Exercises 33 and 51. 34. Figure 2.24 shows a plot of velocity versus time for object in linear motion. (a) Compute the acceleration for each phase of motion. (b) Describe how the object moves during the last time segment. . V 41. an 10.0 42. 8.0 6.0 4.0 2.0 t 12.0 43. 4.0 2.0 8.0 6.0 10.0 -2.0 -4.0 -6.0 -8.0 44 -10.0 -12.0 Time (s) FIGURE 2.24 Velocity versus time See Exercises 34 and 55. 45 35. A car initially traveling to the right at a steady speed of 25 m/s for 5.0 s applies its brakes and slows at a con- stant rate of 5.0 m/s for 3.0 s. It then cnontinues traveling Velocity (m/s) Velocity (m/s)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

10.0
m
(10.0, 8.0)
(4.0, 8.0)
38.
8.0
f
6.0
t
4.0
39.
2.0
t
0
4.0
16.0
12.0
8.0
Time (s)
40.
AFIGURE 2.23 Velocity versus time See Exercises 33 and 51.
34.
Figure 2.24 shows a plot of velocity versus time for
object in linear motion. (a) Compute the acceleration
for each phase of motion. (b) Describe how the object
moves during the last time segment.
. V
41.
an
10.0
42.
8.0
6.0
4.0
2.0
t
12.0
43.
4.0
2.0
8.0
6.0
10.0
-2.0
-4.0
-6.0
-8.0
44
-10.0
-12.0
Time (s)
FIGURE 2.24 Velocity versus time See Exercises 34 and 55.
45
35. A car initially traveling to the right at a steady speed
of 25 m/s for 5.0 s applies its brakes and slows at a con-
stant rate of 5.0 m/s for 3.0 s. It then cnontinues traveling
Velocity (m/s)
Velocity (m/s)

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Time Position Velocity 0 0 0.05 0.08 1.6 0.1 0.17 1.7 0.15 0.26 1.73333333 0.2 0.35 1.75 0.25 0.459 1.836 0.3 0.59 1.96666667 0.35 0.73 2.08571429 0.38 0.9144 2.40631579 Velocity vs time What is the acceleration of the ball independently for each component of the motion as a function of time? What is the acceleration of the ball for: When it is thrown When it is caught/lands Magnitude at its highest point? What are the Launch Velocity and velocity of the highest point for the velocity vs time graph? Is this value reasonable?
The following equations give the x component of the position for four objects as functions of time: object 1: x(t) = a, where a = 5 m object 2: x(t) = bt+c, where b = +4 m/s and c = : −1 m object 3: x(t) = et² + ft, where e = +5 m/s² and f = -9 m/s object 4: x(t) = gt² + h, where g = −3 m/s² and h = +12 m. (a) Which objects have a velocity that changes with time? (b) Which object is at the origin at the earliest instant, and what is that instant? (c) What is that object's velocity 1 s after the instant you calculated in part b?
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