Table of Contents Page 49 pp Page 80
Table of Contents Page 49 pp Page 80 ecp #8 Page 50 Page 81 ecp #10 Page 52 Top Page 82 ecp #18 Page 52 pp #3 Page 82 ecp #20 Page 54 pp Page 82 ecp #21 Page 56 pp Page 83 ecp #22 Page 59 pp #1 Page 83 ecp #23 Page 59 pp #2 Page 84 ecp #24 Page 60 pp #3 Page 84 ecp #25 Page 60 pp #4 Page 85 ecp #27 Page 62 pp Car d-t. v-t, a-t Page 67 pp Page 55 v-t from d-t Page 69 pp
Chapter 2 Text Graphs Adapted for CVCA Physics by Dick Heckathorn 9 Sept 2 K+2
Find the velocity in each section of the following position-time graph. ( - 2. 5 Page 49 pp 0 10 -3. 8 0 8. 8 ) m/s Press Enter for answers.
Page 50 Find velocity for the two segments, then the average velocity.
Find the average velocity for A-B B-C Page 52 Top
Find the average velocity for each section. Page 52 pp #3
st 7. 5 the avg. average velocity for 2. 5 for to 1 2. 5 when it is equal to zero. Find v for the points A, B, and C. s. s. inst Page 54 pp
Find Calculate vinst vavg t =object for 13 the s. at 14 seconds. Where is at the t=7. 0 sec? 1. 4 m/s -10 m 8 m/s Page 56 pp
Total displacement in seconds? Objects displacement in first 3. 0 sec? V t = 0 from to t =3. 0 8. 014 sec? Displacement to 5. 0 sec? avg from 200 m Page 59 pp #1 0 0 17. 5 m/s
Find the total displacement. + 150 m Page 59 pp #2
do both cars haveand the At twhat = 1. 0 h, what iscar the 0. 4 time which isdistance ahead 25 A: 27 km hkm same velocity? separating the two cars? 0. 68 by how much? Page 60 pp #3
Determine total displacement for the 1 st 12 sec. 505 m Page 60 pp #4
B: 0 C: -2. 0 m/s 2 E: -1. 0 m/s 2 A: 2. 0 m/s 2 D: 0 Determine the acceleration for each of the five unique intervals. Page 62 pp
0. 57 m/s 2 -0. 37 m/s 2 0. 50 m/s 2 0. 70 m/s 2 -0. 30 m/s 2 st 12 sec? Find aaavg at any instant in 1 at t = 25 s and t = 40 Find for interval t = 0 to t =s. 25 sec inst and t = 30 to t = 50 sec. Page 67 pp
0 78 km/h -120 km/h Find of trip. the 3 intervals. Findvelocity vavg forfor theeach whole 0 Page 80 ecp #8
B 0 A 1. 4 m/s C -0. 63 m/s D E 0. 6 m/s 1. 4 m/s sec, is vavg t = 03. 0 tos, t =24 acceleration? 5. 0 secand What sections uniform at rest? vel. ? inst forrepresent 8. 0 to sec. for t = 15 t = 20 sec? Page 81 ecp #10
st 5 B the acceleration in 1 How Where far does the velocity the car travel uniform? during the acceleration uniform? DAs. C What isisa at t = 12. 5 sec and after t sec =1122 inst th and 214 and fromafter t 20 = 60 11 to sec. 13 sec? 2602 m 1300 m sec 25 sec? m -10 m/s 6. 0 m/s 2 20 m/s 2 Page 82 ecp #18
Find the total displacement. 430 m Page 82 ecp #20
4. 5 s When ball isthe at rest top point? How far acc up when is rolling the ball At what time is board ball atdid highest point? What is displacement over the 9 down? up? sgo? trip? -2. 7 m/s 1. 22 m-2. 7 0 m/s 2 -2. 7 m/s 2 Page 82 ecp #21
sthr? At t = is 0. 40 h, which is ahead? A from t = 0. 40 to t= What v of train A for 1 36 How min? aavg B at t = 0. 30 avg inst -20 km/h 2 much? 67 km bykm/hr 2. 4 0. 70 h? B ahead 27 Page 83 ecp #22
6. 3 m/s 2 0 -11 m/s 2 st 5 s? Whatfar is a at t = 3. 0 s, 7. 0 s, 11. 0 How does the car travel in 1 s, inst 1 st 9 s, and 1 st 13 s? 100 m 230 m 320 m Page 83 ecp #23
2 st 6. 7 m/s Find distance v A in 1 5 sec. aavg at t = 7. 0 sec. acc of B during final 3 sec. between A and B at t 12 m/s inst = 5. 0 s? 2. 5 -3. 3 m m/s 2 Page 84 ecp #24
st 30 Provedistance that police car overtakes sports v police car for 1 60 s. sec. Find between cars when t acc of sports car at t = avg 450 s. m -0. 33 m/s 2 car = 30 when sec 30 m/st = 60 Page 84 ecp #25
st What was v acc of rocket of capsule during just 1 two aterminal from t = 100 s to t = to At what time happening did from reach t = 300 d ? t the maximum altitude? avg max before stages? “splashdown”? 300 s? = 400 s? 5. 0 m/s -70 2 m/s 200 s -10 88000 m 2 15 m/s Page 85 ecp #27
That’s All Folks
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