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### 58 Multiple choice questions

1. The Y value for any horizontal launch (if it is traveling down) will always be this.
2. A vector quantity has..
3. For a horizontal projectile, the initial velocity of the projectile will always be this variable.
4. Displacement can be this or this.
5. The Ax is always 0 when you are at a...
6. If something starts at rest, it's Vi is this.
7. If something slows down, it's Vf is this.
8. The rate at which velocity changes
9. Units for acceleration
10. If a ball is thrown upward, it's Velocity at the top is this.
11. An object accelerates if it's these two things change.
12. Acceleration due to gravity on earth
13. Units for discplacement
14. The resultant displacement includes these two things.
15. There is no this in free fall, they are in a vacuum, such as space
16. In one dimension motion, left to right measures components in this direction.
17. The Ay for a projectile motion is this.
18. If something is falling, it's vertical change will always have a this in front of it.
19. If something is being dropped, it's Vi is this.
20. Velocity is this divided by this.
21. Free-falling objects undergo this.
22. Direction of object's acceleration is this even if the object is moving in an upward way.
23. Units for Velocity
24. In one dimension motion, up and down measures components in this direction.
25. The Vfy for launched projectile motions will always be this.
26. If a ball is thrown upward, these two things are the same.
27. Velocity equation
28. Acceleration is this divided by this.
29. Displacement is NOT this.
30. A speedometer on your car gives you the...
31. If a ball is thrown upward, it has [velocity/acceleration] at the top.
32. change in position
33. Projectiles are objects that have been thrown or launched into the air and are subject to the this
34. This kinematic equation cannot be used for projectiles.
35. Formula for displacement
36. In a full arc of a projectile motion, the Vy at the peak is this.
37. A scalar quantity has....
38. The hypotenuse can be calculated with this formula for projectiles.
39. Examples of vector quantities
40. Vector that represents the sum of two or more vectors.
41. These things are always constant for horizontal projections.
42. If the velocity and acceleration are in opposite directions, the object [speeds up/slows down].
43. If the velocity and acceleration are in the same direction, the object [speeds up/slows down].
44. One uses these equations for motion with constant acceleration.
45. The area under a curve for a velocity vs. time graph is it's....
46. Examples of scalar quantities
47. An angle's name is always the [closest/furthest] direction followed by the other.
48. A velocity vs. time graphs tells you an object's...
49. Pythagorean theorm
50. If a ball is thrown upward, the initial and final velocities are the same, but these are opposite.
51. Ag, or -9.81m/s² stands for...
52. Normally, when dealing with projectiles, this will have to be calculated first.
53. Ax for projectile motion is this.
54. If a ball is thrown upward, this is it's Ag.
55. A slope for the graph of a ball thrown vertically in the air should have a line pertaining to these two characteristics.
56. Acceleration equation
57. When dealing with projectile motions, you can't forget to do this.
58. Position vs. Time Graphs tell you an object's....