1. A vector quantity includes both magnitude and:
2. In projectile motion with no air resistance, the horizontal component of acceleration is:
3. The vertical acceleration of a projectile is g downward for its entire flight.
4. A ball rolls off a level table horizontally. Its horizontal velocity:
5. A volleyball is spiked horizontally at 15 m/s. How far does it travel horizontally in 0.5 s?
6. A ball is thrown horizontally. What is its vertical velocity after 2 s? (g = 10 m/s²)
7. Which launch angle gives the same range as a launch at 30°, with the same launch speed?
8. Ball A is dropped from rest. Ball B is launched horizontally from the same height at the same instant. Which hits the ground first?
9. A ball is launched at 45°. At the highest point of its path, its vertical velocity is:
10. At the highest point of a projectile's path, its acceleration is:
11. A bullet is fired horizontally at 300 m/s. Neglecting air resistance, how far horizontally does it travel in 3 s?
12. A ball is dropped from a height of 5 m. How long does it take to reach the ground? (g = 10 m/s²)
13. A ball is dropped from rest. How far does it fall vertically in 3 s? (g = 10 m/s²)
14. Which equation gives the time for an object to fall a height h from rest?
15. At any point on a projectile's path, its velocity points:
16. A ball rolls off a 45 m cliff horizontally at 15 m/s. How far from the base of the cliff does it land? (g = 10 m/s²)
17. With no air resistance, the vertical acceleration of a projectile:
18. The path of a projectile (no air resistance) is shaped like a:
19. A ball is launched at 40 m/s at 60° above horizontal. Its horizontal velocity at the highest point is 20 m/s. What is the horizontal velocity there?
20. Which component of a projectile's velocity is changed by gravity?
21. A hockey puck slides off a table 0.8 m high at 4 m/s. How far horizontally does it travel before hitting the floor? (g = 10 m/s²)
22. A ball is thrown horizontally at 8 m/s from a window 20 m above the ground. How far horizontally does it travel before landing? (g = 10 m/s²)
23. A ball is thrown straight up at 20 m/s. How long does it take to reach the highest point? (g = 10 m/s²)
24. Two balls are launched horizontally from the same height at the same instant, with different speeds. Which hits the ground first?
25. Ignoring air resistance, which launch angle gives the greatest maximum height for a given launch speed?
26. A projectile lands at the same height it was launched from. Compared to its launch, its horizontal velocity at landing is:
27. A cart rolls horizontally at 12 m/s for 4 s on a level track. How far does it travel?
28. A ball is dropped from an 80 m tower. How long does it take to hit the ground? (g = 10 m/s²)
29. A ball is thrown horizontally off a cliff. What is its vertical velocity at the instant it leaves the cliff?
30. A football is kicked at 45° and lands at the same height it was kicked from. Compared to its launch, its vertical velocity at landing is: