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- 1. Multiple Choice
If you throw a baseball straight up, what is its velocity at the highest point?9.8 m/s29.8 m/s0 m/s20 m/s - 2. Multiple ChoiceIf you throw a baseball straight up, what is its acceleration at the highest point?9.8 m/s29.8 m/s0 m/s20 m/s
- 3. Multiple ChoiceWhat is the horizontal acceleration of a projectile?0 m/s29.8 m/s2
- 4. Multiple ChoiceWhat is the vertical acceleration of a projectile?0 m/s29.8 m/s2
- 5. Multiple ChoiceAn object is projected horizontally from a cliff. The time it takes to hit the ground ismore than if it was just droppedless than if it was just droppedthe same amount of time than if it was just droppedimpossible to determine
- 6. Multiple ChoiceIf I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?6 m/s12 m/s18 m/s24 m/s
- 7. Multiple ChoiceAs an object travels through the air, its vertical velocitychanges continuouslyremains the same
- 8. Multiple ChoiceWhen a ball is projected horizontally, what is its initial vertical velocity?100not enough information given
- 9. Multiple ChoiceConsider drops of water leaking from a water faucet. As the drops fall theyremain at a relatively fixed distance from each otherget farther apartget closer together
- 10. Multiple ChoiceTwo balls of the same mass begin at a height of 2m. One is released from rest while the other begins with a horizontal velocity of 5m/s. Which object its the ground first?Ball ABall BBoth balls his the ground at the same timeunable to determine with information given
- 11. Multiple ChoiceWhat force acts in the y direction that causes an object to travel in a parabolic arc?FrictionGravityTensionNo force acting.
- 12. Multiple Choice
A skateboarder rolls off a bridge into the river as shown. If the skateboarder was originally moving at 7.0 m/s, how much time did the skateboarder spend in the air?
1.3 s
0.79 s
38.5 s
0.70 s
Not enough information given.
- 13. Multiple Choice
A skateboarder rolls off a bridge into the river as shown. If the skateboarder spent 0.79 s in the air, how far above the river is the edge of the bridge?
5.5 m
0.70 m
1.3 m
3.1 m
Not enough information given.
- 14. Multiple Choice
A projectile is launched with a horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. Which graph correctly shows the vertical velocity of the projectile over time?
- 15. Multiple Choice
A projectile is launched with a horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. Which graph correctly shows the horizontal velocity of the projectile over time?
- 16. Multiple ChoiceObjects that are under the influence of gravity only are considered to be in ____freefall onlyprojectile motion onlyfreefall or projectile motionneither freefall nor projectile motion
- 17. Multiple ChoiceA ball is thrown in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from?4 seconds2 seconds6 seconds8 seconds
- 18. Multiple Choice
A frog jumps vertically straight up. Which of the following is true?
gravity gives the frog a vertical speed of -10 m/s
gravity gives the frog a vertical acceleration of -10 m/s2
the frog has a horizontal speed of -10 m/s
the frog has a horizontal acceleration of -10 m/s2
- 19. Multiple Choice
Which of the following would NOT be considered a projectile?
a cannonball thrown straight up
a cannon ball rolling down a hill
a cannonball rolling off a table
a cannonball thrown into the air
- 20. Multiple ChoiceThe shape of the path a projectile follows...circularlinearwavyparabolic
- Answer choicesTagsAnswer choicesTags