1. What is the final speed of an object that starts from 8. An object initially at rest accelerates at 5 meters per rest and accelerates uniformly at 4.0 meters per second2 until it attains a speed of 30 meters per second 2 over a distance of 8.0 meters? second. What distance does the object move while accelerating? A) 8.0 m/s B) 16 m/s C) 32 m/s D) 64 m/s A) 30 m B) 90 m 2. If a car accelerates uniformly from rest to 15 meters C) 3 m D) 600 m per second over a distance of 100. meters, the 9. A car accelerates uniformly from rest at 3.2 m/s2. magnitude of the car’s acceleration is When the car has traveled a distance of 40. meters, its speed will be A) 0.15 m/s2 B) 1.1 m/s2 C) 2.3 m/s2 D) 6.7 m/s2 A) 8.0 m/s B) 12.5 m/s 3. A car traveling on a straight road at 15.0 meters per C) 16 m/s D) 128 m/s second accelerates uniformly to a speed of 21.0 10. A race car traveling at 10. meters per second meters per second in 12.0 seconds. The total distance accelerates at 1.5 meters per seconds2 while traveled by the car in this 12.0-second time interval is traveling a distance of 600. meters. The final speed of the race car is approximately A) 36.0 m B) 180. m C) 216 m D) 252 m A) 1900 m/s B) 150 m/s 4. A race car starting from rest accelerates uniformly at a C) 910 m/s D) 44 m/s rate of 4.90 meters per second2. What is the car’s 11. A jogger accelerates at a constant rate as she travels speed after it has traveled 200. meters? 5.0 meters along a straight track from point A to point B ,as shown in the diagram below. A) 1960 m/s B) 62.6 m/s C) 44.3 m/s D) 31.3 m/s 5. A skater increases her speed uniformly from 2.0 meters per second to 7.0 meters per second over a distance of 12 meters. The magnitude of her acceleration as she travels this 12 meters is A) 1.9 m/s2 B) 2.2 m/s2 C) 2.4 m/s2 D) 3.8 m/s2 If her speed was 2.0 meters per second at point A 6. A car initially traveling at a speed of 16 meters per and will be 3.0 meters per second at point B, how second accelerates uniformly to a speed of 20. meters long will it take her to go from A to B? per second over a distance of 36 meters. What is the A) 1.0 s B) 2.0 s C) 3.3 s D) 4.2 s magnitude of the car’s acceleration? 12. A car moving at a speed of 8.0 meters per second A) 0.11 m/s2 B) 2.0 m/s2 enters a highway and accelerates at 3.0 meters per C) 0.22 m/s2 D) 9.0 m/s2 second2. How fast will the car be moving after it has 7. An object with an initial speed of 4.0 meters per accelerated for 56 meters? second accelerates uniformly at 2.0 meters per second A) 24 m/s B) 20. m/s 2 in the direction of its motion for a distance of 5.0 C) 18 m/s D) 4.0 m/s meters. What is the final speed of the object? A) 6.0 m/s B) 10. m/s C) 14 m/s D) 36 m/s Base your answers to questions 13 through 16 on the diagram below which represents a 10-kilogram object at rest at point A. The object accelerates uniformly from point A to point B in 4 seconds, attaining a maximum speed of 10 meters per second at point B. The object then moves up the incline. [Neglect friction.]

13. The object comes to rest at a vertical height of S (point D) when = 30°. If were increased to 40°, the object would come to rest at a vertical height A) less than S B) greater than S C) equal to S 14. Compared to the impulse required to stop the object at point B, the impulse required to stop the object at point C is A) less B) greater C) the same 15. What distance did the object travel in moving from point A to point B? A) 2.5 m B) 10. m C) 20. m D) 100 m 16. The kinetic energy of the object at point B is A) 1,000 J B) 500 J C) 100 J D) 50 J

17. A truck, initially traveling at a speed of 22 meters 20. The speed of an object undergoing constant per second, increases speed at a constant rate of 2.4 acceleration increases from 8.0 meters per second to meters per second 2 for 3.2 seconds. What is the total 16.0 meters per second in 10. seconds. How far does distance traveled by the truck during this 3.2-second the object travel during the 10. seconds? time interval? A) 3.6 × 102 m B) 1.6 × 102 m A) 12 m B) 58 m C) 1.2 ×102 m D) 8.0 × 101 m C) 70. m D) 83 m 21. A rocket initially at rest on the ground lifts off 18. In a race, a runner traveled 12 meters in 4.0 seconds vertically with a constant acceleration of 2.0 × 101 as she accelerated uniformly from rest. The meters per second2. How long will it take the rocket magnitude of the acceleration of the runner was to reach an altitude of 9.0 × 103 meters? A) 0.25 m/s2 B) 1.5 m/s2 A) 3.0 × 101 s B) 4.3 × 101 s C) 3.0 m/s2 D) 48 m/s2 C) 4.5 × 102 s D) 9.0 × 102 s 19. A car, initially traveling east with a speed of 5.0 22. A roller coaster, traveling with an initial speed of 15 meters per second, is accelerated uniformly at 2.0 meters per second, decelerates uniformly at –7.0 meters per second2 east for 10. seconds along a meters per second2 to a full stop. Approximately straight line. During this 10.-second interval the car how far does the roller coaster travel during its travels a total distance of deceleration? A) 50. m B) 60. m A) 1.0 m B) 2.0 m C) 1.0 × 102 m D) 1.5 × 102 m C) 16 m D) 32 m 23. A skier starting from rest skis straight down a slope 29. Starting from rest, an object rolls freely down an 50. meters long in 5.0 seconds. What is the incline that is 10 meters long in 2 seconds. The magnitude of the acceleration of the skier? acceleration of the object is approximately A) 20. m/s2 B) 9.8 m/s2 A) 5 m/sec B) 5 m/sec2 C) 5.0 m/s2 D) 4.0 m/s2 C) 10 m/sec D) 10 m/sec2 24. A ball starting from rest accelerates uniformly at 5.0 30. A car is moving with a constant speed of 20. meters meters per second2 as it rolls 40. meters down an per second. What total distance does the car travel in incline. How much time is required for the ball to 2.0 minutes? roll the 40. meters? A) 10. m B) 40. m A) 2.8 s B) 8.0 s C) 16 s D) 4.0 s C) 1200 m D) 2400 m 25. An airplane originally at rest on a runway accelerates uniformly at 6.0 meters per second2 for 12 seconds. During this 12-second interval, the airplane travels a distance of approximately A) 72 m B) 220 m C) 430 m D) 860 m 26. A cart moving across a level surface accelerates uniformly at 1.0 meter per second2 for 2.0 seconds. What additional information is required to determine the distance traveled by the cart during this 2.0-second interval? A) coefficient of friction between the cart and the surface B) mass of the cart C) net force acting on the cart 4 initial velocity of the cart D) initial velocity of the cart 27. A truck with an initial speed of 12 meters per second accelerates uniformly at 2.0 meters per second2 for 3.0 seconds. What is the total distance traveled by the truck during this 3.0-second interval? A) 9.0 m B) 25 m C) 36 m D) 45 m 28. A boat initially traveling at 10. meters per second accelerates uniformly at the rate of 5.0 meters per second2 for 10. seconds. How far does the boat travel during this time? A) 50. m B) 250 m C) 350 m D) 500 m Base your answers to questions 31 and 32 on the information and diagram below.

An inclined plane is 10 meters long and is elevated 5 meters on one end as shown. Starting from rest at the top of the incline, a box weighing 100 Newtons accelerates down the incline at a rate of 2.5 meters per second2. 31. How many seconds will it take the box to reach the bottom of the incline? A) 2.8 sec. B) 2.0 sec. C) 4.6 sec. D) 4.0 sec. 32. The potential energy of the box at the top of the incline was approximately A) 1,000 J B) 500 J C) 50 J D) 0 J

33. A 3.00-kilogram mass is thrown vertically upward 36. An object accelerates uniformly from 3.0 meters per with an initial speed of 9.80 meters per second. second east to 8.0 meters per second east in 2.0 What is the maximum height this object will reach? seconds. What is the magnitude of the acceleration [Neglect friction.] of the object? A) 1.00 m B) 4.90 m A) 2.5 m/s2 B) 5.0 m/s2 C) 9.80 m D) 19.6 m C) 5.5 m/s2 D) 11 m/s2 34. A car traveling west in a straight line on a highway 37. As a car is driven south in a straight line with decreases its speed from 30.0 meters per second to decreasing speed, the acceleration of the car must be 23.0 meters per second in 2.00 seconds. The car's A) directed northward average acceleration during this time interval is B) directed southward A) 3.5 m/s2 east B) 3.5 m/s2 west C) zero C) 13 m/s2 east D) 13 m/s2 west D) constant, but not zero 35. A child riding a bicycle at 15 meters per second accelerates at -3.0 meters per second2 for 4.0 seconds. What is the child’s speed at the end of this 4.0-second interval? A) 12 m/s B) 27 m/s C) 3.0 m/s D) 7.0 m/s 38. An observer recorded the data above for the motion 43. A car having an initial velocity of 12 meters per of a car undergoing constant acceleration. second east slows uniformly to 2 meters per second east in 4.0 seconds. The acceleration of the car during this 4.0-second interval is A) 2.5 m/s2 west B) 2.5 m/s2 east C) 6.0 m/s2 west D) 6.0 m/s2 east 44. A runner starts from rest and accelerates uniformly to a speed of 8.0 meters per second in 4.0 seconds. The magnitude of the acceleration of the runner is What was the magnitude of the acceleration of the A) 0.50 m/s2 B) 2.0 m/s2 car? C) 9.8 m/s2 D) 32 m/s2 A) 1.3 m/s2 B) 2.0 m/s2 45. A car, starting from rest, accelerates at 4.0 m/s2. C) 1.5 m/s2 D) 4.5 m/s2 What is its velocity at the end of 8.0 seconds? 39. A car increases its speed from 9.6 meters per second A) 0.50 m/s B) 2.0 m/s to 11.2 meters per second in 4.0 seconds. The C) 16 m/s D) 32 m/s average acceleration of the car during this 46. Oil drips at 0.4-second intervals from a car that has 4.0-second interval is an oil leak. Which pattern best represents the A) 0.40 m/s2 B) 2.4 m/s2 spacing of oil drops as the car accelerates uniformly C) 2.8 m/s2 D) 5.2 m/s2 from rest? 40. The speed of a wagon increases from 2.5 meters per A) second to 9.0 meters per second in 3.0 seconds as it B) accelerates uniformly down a hill. What is the C) magnitude of the acceleration of the wagon during D) this 3.0-second interval? 47. A bicyclist accelerates from rest to a speed of 5.0 A) 0.83 m/s2 B) 2.2 m/s2 meters per second in 10. seconds. During the same 2 2 C) 3.0 m/s D) 3.8 m/s 10. seconds, a car accelerates from a speed of 22 41. The speed of a car is increased uniformly from 20. meters per second to a speed of 27 meters per meters per second to 30. meters per second in 4.0 second. Compared to the acceleration of the bicycle, seconds. The magnitude of the car’s average the acceleration of the car is acceleration in this 4.0-second interval is A) less B) greater A) 0.40 m/s2 B) 2.5 m/s2 C) the same 2 2 C) 10. m/s D) 13 m/s 48. An object accelerates uniformly from rest to a speed 42. The speed of a car is decreased uniformly from 30. of 50. meters per second in 5.0 seconds. The average meters per second to 10. meters per second in 4.0 speed of the object during the 5.0-second interval is seconds. The magnitude of the car’s acceleration is A) 5.0 m/s B) 10. m/s A) 5.0 m/s2 B) 10. m/s2 C) 25 m/s D) 50. m/s C) 20. m/s2 D) 40. m/s2 49. A locomotive starts from rest and accelerates at 0.12 56. A car, initially traveling at 15 meters per second meter per second2 to a speed of 2.4 meters per north, accelerates to 25 meters per second north second in 20. seconds. This motion could best be in 4.0 seconds. The magnitude of the average described as acceleration is A) constant acceleration and constant velocity A) 2.5 m/s2 B) 6.3 m/s2 B) increasing acceleration and constant velocity C) 10. m/s2 D) 20. m/s2 C) constant acceleration and increasing velocity 57. A car is accelerated at 4.0 m/s2 from rest. The car D) increasing acceleration and increasing velocity will reach a speed of 28 meters per second at the end 50. The velocity of a car changes from 60. meters per of second north to 45 meters per second north in 5.0 A) 3.5 sec B) 7.0 sec seconds. The magnitude of the car's acceleration is C) 14 sec D) 24 sec 2 2 A) 9.8 m/s B) 15 m/s 58. An object is uniformly accelerated from rest to a C) 3.0 m/s2 D) 53 m/s2 speed of 25 meters per second in 10 seconds. The 51. A child riding a bicycle at 15 meters per second acceleration of the object is decelerates at the rate of 3.0 meters per second2 for A) 1.0 m/s2 B) 2.0 m/s2 4.0 seconds. What is the child's speed at the end of C) l.5 m/s2 D) 2.5 m/s2 the 4.0 seconds? 59. An object originally at rest is uniformly accelerated A) 12 m/s B) 27 m/s along a straight-line path to a speed of 8.0 meters per C) 3.0 m/s D) 7.0 m/s second in 2.0 seconds. What was the acceleration of 52. An object has a constant acceleration of 2.0 meters the object? per second2. The time required for the object to A) 0.25 m/s2 B) 10. m/s2 accelerate from 8.0 meters per second to 28 meters C) 16 m/s2 D) 4.0 m/s2 per second is A) 20. s B) 16. s C) 10. s D) 4.0 s 53. An object originally moving at a speed of 20. meters per second accelerates uniformly for 5.0 seconds to a final speed of 50. meters per second. What is the acceleration of the object? A) 14 m/s2 B) 10. m/s2 C) 6.0 m/s2 D) 4.0 m/s2 54. An object starting from rest accelerates at a rate of 3.0 meters/second squared for 6.0 seconds. The velocity of the object at the end of this time is A) 0.50 m/s B) 2.0 m/s C) 3.0 m/s D) 18 m/s 55. Acceleration is a vector quantity that represents the time-rate of change in A) momentum B) velocity C) distance D) energy Answer Key 1-D Chart Problems

1. A 36. A 2. B 37. A 3. C 38. C 4. C 39. A 5. A 40. B 6. B 41. B 7. A 42. A 8. B 43. A 9. C 44. B 10. D 45. D 11. B 46. B 12. B 47. C 13. C 48. C 14. A 49. C 15. C 50. C 16. B 51. C 17. D 52. C 18. B 53. C 19. D 54. D 20. C 55. B 21. A 56. A 22. C 57. B 23. D 58. D 24. D 59. D 25. C 26. D 27. D 28. C 29. B 30. D 31. A 32. B 33. B 34. A 35. C