2. What is the displacement of the bug between t = 0.00 s and t = 20.0 s? A) cm B) 39.9 cm C) cm D) 16.1 cm E) +16.

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1 1. For which one of he following siuaions will he pah lengh equal he magniude of he displacemen? A) A jogger is running around a circular pah. B) A ball is rolling down an inclined plane. C) A rain ravels 5 miles eas; and hen, i sops and ravels 2 miles wes. D) A ball rises and falls afer being hrown sraigh up from he earh's surface. E) A ball on he end of a sring is moving in a verical circle. Use he following o answer quesions 2-3: Peer noiced a bug crawling along a meer sick and decided o record he bug's posiion in five-second inervals. Afer he bug crawled off he meer sick, Peer creaed he able shown. 2. Wha is he displacemen of he bug beween = 0.00 s and = 20.0 s? A) cm B) 39.9 cm C) cm D) 16.1 cm E) cm 3. Wha is he oal disance ha he bug raveled beween = 0.00 s and = 20.0 s? Assume he bug only changed direcions a he end of a five-second inerval. A) 39.9 cm B) 65.7 cm C) 16.1 cm D) 47.1 cm E) 26.5 cm

2 4. A Canadian goose flew 845 km from Souhern California o Oregon wih an average speed of 30.5 m/s. How long, in hours, did i ake he goose o make his journey? A) 27.7 h B) 8.33 h C) 66.1 h D) 462 h E) 7.70 h Use he following o answer quesions 5-6: A racecar, raveling a consan speed, makes one lap around a circular rack of radius r in a ime. Noe: The circumference of a circle is given by C = 2πr. 5. Wha is he average speed of he car for one complee lap? A) r B) 2r C) π r D) 2 π r E) zero meers/second 6. Deermine he magniude of he average velociy of he car for one complee lap. A) r B) 2r C) π r D) 2 π r E) zero meers/second

3 7. Which one of he physical quaniies lised below is no correcly paired wih is SI uni and dimension? Quaniy Uni Dimension A) velociy m/s [L]/[T] B) pah lengh m [L] C) speed m/s [L]/[T] D) displacemen m/s 2 [L]/[T] 2 E) speed ime m [L] 8. A landing airplane makes conac wih he runway wih a speed of 78.0 m/s and moves oward he souh. Afer 18.5 seconds, he airplane comes o res. Wha is he average acceleraion of he airplane during he landing? A) 2.11 m/s 2, norh B) 2.11 m/s 2, souh C) 4.22 m/s 2, norh D) 4.22 m/s 2, souh E) 14.3 m/s 2, norh 9. Which one of he following siuaions is no possible? A) A body has zero velociy and non-zero acceleraion. B) A body ravels wih a norhward velociy and a norhward acceleraion. C) A body ravels wih a norhward velociy and a souhward acceleraion. D) A body ravels wih a consan velociy and a ime-varying acceleraion. E) A body ravels wih a consan acceleraion and a ime-varying velociy.

4 10. A ruck acceleraes from res a poin A wih consan acceleraion of magniude a and subsequenly passes poins B and C as shown in he figure. The disance beween poins B and C is x, and he ime required for he ruck o ravel from B o C is. Which expression deermines he average speed of he ruck beween he poins B and C? A) v 2 = 2ax B) x v = C) v = x D) 1 2 v = a 2 E) v = a 11. A car, saring from res, acceleraes in a sraigh-line pah a a consan rae of 2.5 m/s 2. How far will he car ravel in 12 seconds? A) 180 m B) 120 m C) 30 m D) 15 m E) 4.8 m 12. A ball is hrown verically upward from he surface of he earh. Consider he following quaniies: (1) he speed of he ball; (2) he velociy of he ball; (3) he acceleraion of he ball. Which of hese is (are) zero when he ball has reached he maximum heigh? A) 1 only B) 2 only C) 1 and 2 D) 1 and 3 E) 1, 2, and 3

5 13. A brick is dropped from res from a heigh of 4.9 m. How long does i ake for he brick o reach he ground? A) 0.6 s B) 1.0 s C) 1.2 s D) 1.4 s E) 2.0 s 14. Carl Lewis se a world record for he m run wih a ime of 9.86 s. If, afer reaching he finish line, Mr. Lewis walked direcly back o his saring poin in 90.9 s, wha is he magniude of his average velociy for he m? A) 1.10 m/s B) 1.98 m/s C) 5.60 m/s D) 10.1 m/s E) 0 m/s Use he following o answer quesions 15-17: An objec is moving along he x axis. The graph shows is posiion from he saring poin as a funcion of ime. Various segmens of he graph are idenified by he leers A, B, C, and D. 15. During which inerval(s) is he objec moving in he negaive x direcion? A) during inerval B only B) during inervals B and C C) during inervals C and D D) during inervals B and D E) during inervals B, C, and D

6 16. Wha is he velociy of he objec a = 7.0 s? A) +3.0 m/s B) 1.0 m/s C) 2.0 m/s D) 3.0 m/s E) zero 17. Wha is he acceleraion of he objec a = 7.0 s? A) zero m/s 2 B) 2.0 m/s 2 C) 3.0 m/s 2 D) +9.8 m/s 2 E) +4.0 m/s 2 Use he following o answer quesions 18-20: An objec is moving along a sraigh line. The graph shows he objec's velociy as a funcion of ime. 18. During which inerval(s) of he graph does he objec ravel equal disances in equal imes? A) 0 s o 2 s B) 2 s o 3 s C) 3 s o 5 s D) 0 s o 2 s and 3 s o 5 s E) 0 s o 2 s, 3 o 5 s, and 5 o 6 s

7 19. How far does he objec move in he inerval from = 0 o = 2 s? A) 7.5 m B) 10 m C) 15 m D) 20 m E) 25 m 20. During which inerval(s) of he graph does he speed of he objec increase by equal amouns in equal imes? A) 0 s o 2 s B) 2 s o 3 s C) 3 s o 5 s D) 0 s o 2 s and 3 s o 5 s E) 0 s o 2 s, 3 o 5 s, and 5 o 6 s