1. Chapter 3 Jeopardy Review1 6 11 16 21 2 7 12 17 22 3 8 13 18 23 4 9 14 19 24 5 10 15 20 25

2. Question 1
A projectile follows what type of path?

3. Question 2
Where in a projectile’s path will it have the maximum velocity?

4. Question 3
At what angle should a projectile be launched to have maximum range?

5. Question 4
Explain the difference between an object thrown straight up and a projectile at their maximum points.

6. Question 5
A rock fell off a cliff and is traveling 30 m/s, what is the rock’s acceleration?

7. Question 6
If a plane is heading north at 100 km/h and encounters a headwind of 15 km/h, what is the resulting velocity?

8. Question 7
If a projectile is launched upward at a speed of 20 m/s, how long will the object be in the air for?

9. Question 8
What is the maximum height a projectile will reach if it has a horizontal component of velocity of 20 m/s and a vertical component of speed of 30 m/s?

10. Question 9
What is the maximum range of an object that is launched at a vertical velocity of 10 m/s and a horizontal velocity of 50 m/s?

11. Question 10
If a person is driving a boat across a river at a speed of 9 km/h and encounters a downstream current that is 2 km/h, what is the resulting velocity?

12. Question 11
An object is launched at a 45° angle with an initial vertical component of velocity of 50 m/s and an initial horizontal component of velocity of 30 m/s, what is the vertical and horizontal components of velocity at 4 seconds?

13. Question 12
A car drove off a cliff traveling 40 m/s, how far down the cliff will the car be after 2 seconds?

14. Question 13
Explain three similarities between free fall and projectile motion.

15. Question 14
If a boat crosses a river that has a 3 m/s current downstream and causes the boat to have a resulting velocity of 5 m/s, what was the initial velocity of the boat?

16. Question 15
Explain three differences between free fall and projectile motion.

17. Question 16
A projectile is launched at an initial speed of 10 m/s in the vertical direction and 20 m/s in the horizontal direction. What is the time it stays in the air and how far away will the projectile land?

18. Question 17
If a projectile has an vertical component of velocity that is 30 m/s and a horizontal velocity of 5 m/s. What is the actual velocity of the projectile at 4 seconds?

19. Question 18
At the maximum point of a projectile’s path, what is the object’s acceleration?

20. Question 19
If a plane is moving at a speed of 300 m/s 500 m above the ground, how far away will the object land from its original drop location?

21. Question 20
What is the maximum height a projectile that was in the air for 6 seconds can reach?

22. Question 21
If it takes 5 second for a projectile object fired off a cliff to hit the ground of the canyon, how deep is the canyon?

23. Question 22
A ball is dropped and another ball is rolled off a table from the same starting point at the same time, which ball will hit the ground first?

24. Question 23
An object is launched at a 45° angle with an initial vertical component of velocity of 110 m/s. What is the object’s vertical component of velocity at 6 seconds?

25. Question 24
An object is launched at a 45° angle with an initial vertical component of velocity of 30 m/s and an initial horizontal component of velocity of 10 m/s. What will be the minimum speed of the object?

26. Question 25
An object is launched at a 45° angle with an initial horizontal component of velocity of 20 m/s and an initial vertical component of velocity of 40 m/s. What is the resulting speed of the ball at 3 seconds?