1. Table of Contents Table of Contents
Page 49 pp Page 59 pp #2*
Page 50* Page 60 pp #3
Page 52 sp* Page 60 pp #4
Page 52 pp #3* Page 83 ecp #22
Page 80 ecp #8 Car d-t. v-t, a-t
Page 54 pp* Page 62 pp*
Page 81 ecp #10 Page 83 ecp #23*
Page 55 v-t from d-t* Page 84 ecp #24
Page 56 pp* Page 84 ecp #25
Page 82 ecp #18 Page 85 ecp #27
Page 82 ecp #20 Page 67 pp
Page 82 ecp #21* Page 69 pp
Page 59 pp #1* * Solution Shown

2. Adapted for CVCA Physics
Chapter 2 Text Graphs
Adapted for CVCA Physics by
Dick Heckathorn
13 Sept 2K+4

3. Page 49 pp

4. Find velocity for the two segments, then the average velocity.
Page 50

5. Find the average velocity for B-C Find the average velocity for A-B
Page 52 Top

6. Find the average velocity for each section.
Page 52
pp #3

7. Find velocity for each of the 3 intervals.
Find vavg for the whole trip. =0
Page 80 ecp #8

8. Find vinst when it is equal to zero.
Find vinst for the points A, B, and C.
Find the avg. velocity for 2.5 to 7.5 s.
Find the average velocity for 1st 2.5 s.
Page 54 pp

9. What sections represent uniform vel.?
What is vavg for t = 0 to t = 5.0 sec and for t = 15 to t = 20 sec?
What sections represent at rest?
What sections represent acceleration?
What is vinst for t = 3.0 s, 24 sec, and for t = 8.0 sec.
Page 81 ecp #10

12. Where is the object at t = 7.0 sec? Find vinst at t = 13 s.
-2 m
+13 m speeding up
- 10 m
0 m
+15 m
Where is the object at t = 7.0 sec?
Find vinst at t = 13 s.
Describe the motion of the object in each of the 5 sections.
Draw a v-t graph from this d-t graph.
Calculate vavg for the 14 seconds.
-10 m
Page 56 pp

13. 12 10 8 d m s 6 4 2 -2 -4

14. What is ainst at t = 12.5 sec and t = 22 s.
How far does the car travel during the 13th sec?
How far does the car travel after 11 sec and after 25 sec?
Where is the velocity uniform?
What is the acceleration in 1st 3 sec and from t = 12.5 to 22 sec.
Where is the acceleration uniform?
Page 82 ecp #18

15. Find the total displacement.
Page 82 ecp #20

16. How far up the board did the ball go?
4.5 sec
How far up the board did the ball go?
What is displacement over the 9 s trip?
When ball is at rest at top point?
What is acc when ball is rolling down?
What is acc when ball is rolling up?
At what time is ball at highest point?
Page 82 ecp #21

17. Plot d-t graph and from it check answers to 1st four questions
Displacement from 3.0 to 5.0 sec?
Objects displacement in first 3.0 sec?
Vavg from t = 0 to t = 8.0 sec?
Total displacement in 14 seconds?
Page 59 pp #1

18. (a) = 160 m (b) = 40 m (c) = -60 m (d) = -80 m (e) = -60 m 200 160
120
(c) = -60 m 80
(a)
(d) = -80 m 40
(e) = -60 m
(b)
Page 59 pp #1

19. Find the total displacement.
Page 59 pp #2

20. At t = 1.0 h, what is the distance separating the two cars?
At t = 0.4 h, which car is ahead and by how much?
At what time do both cars have the same velocity?
Page 60 pp #3

21. Determine total displacement for the 1st 12 sec.
Page 60 pp #4

22. What is vavg of train A for 1st 36 min?
Draw d-t and a-t for both A and B?
What is ainst of B at t = 0.30 hr?
At t = 0.40 h, which is ahead? How much?
Page 83 ecp #22

28. Determine the acceleration for each of the five unique intervals.
Page 62 pp

29. Find aavg for interval t = 0 to t = 25 sec and t = 30 to t = 50 sec.
Find ainst at t = 25 s and t = 40 s.
Find the acceleration at any instant in the first 12 sec.
Page 67 pp

30. From this v-t graph, draw the d-t graph and the a-t graph.
Page 69 pp

31. How far does the car travel in 1st 5 s, 1st 9 s, and 1st 13 s?
What is ainst at t = 3.0 s, 7.0 s, 11.0 s?
Page 83 ecp #23

32. Plot a-t of both A and B on same axis? Find vavg of A in 1st 5 sec.
Find ainst of A at t = 7.0 sec.
Plot a-t of both A and B on same axis?
Find vavg of A in 1st 5 sec.
Find distance between A and B at t = 5.0 s?
Find acc of B during final 3 sec.
Page 84 ecp #24

33. Find distance between cars when t = 30 sec
Find vavg of police car for 1st 60 sec.
Find acc of sports car at t = 30 s.
Prove that police car overtakes sports car when t = 60 s.
Page 84 ecp #25

34. What was happening from t = 300 to t = 400 s?
What was the maximum altitude?
What was vterminal of capsule just before “splashdown”?
When was aavg from t = 100 s to t = 300 s?
What was acc of rocket during 1st two stages?
At what time did rocket reach dmax?
Page 85 ecp #27

35. That’s All Folks