______20. A lady tennis player hits an approaching ball with a force of 750 N. If she hits the ball in 0.002 s, how much impulse is imparted to the tennis ball?
A. 0 N•s B. 1.5 N•s C. 3.0 N•s D. 6.0 N•s
______21. An object moving with constant acceleration has
A. motion
B. uniform motion
C. constant motion
D. uniformly accelerated motion
______22. A ball is hit at an angle of 30°. Along its path, this projectile will have the least speed
A. just after it was launched
B. at the highest point in its flight
C. just before it hits the ground
D. halfway between the ground and the highest point
______23. If a water hose is aimed in order for the water to land with the greatest horizontal range, the angle of projection should be
A. 0° B. 30° C. 45° D. 60°
______24. A ball reaches a distance of 50 m after is hit at an angle of 30°. Given the same initial velocity, the ball will also reach the same distance if it was hit at
A. 15° B. 45° C. 60° D. 75°
_______25. A stand holds two white balls. At the same instant one ball is dropped straight down; the other ball is shot straight out. Which ball will hit the ground first? (Neglect Air resistance)
A. the dropped ball
B. the shot ball
C. both
D. none of the above
______26. If a freely falling ball is somehow equipped with a speedometer, by how much would its speed-reading increase for every second?
A. 0 m/s B. 9.8 m/s C. 10 m/s D. 20 m/s
______27. A sepak takraw ball is hit vertically upward by a player. What is its acceleration after 1 second?
A. 0 B. 1 m/s2 C. 9.8 m/s2 D. -9.8 m/s2
_______28. A volleyball is tossed vertically upward, with an initial velocity of 5 m/s and caught back at the same level as when it was thrown. What is the velocity of the ball at that point?
A. 0 m/s B. -5 m/s C. -9.8 m/s D. 9.8 m/s2
______29. The motion of an object with constant acceleration is also known as
A. Motion B. Uniform Motion C. Constant Motion D. Uniformly Accelerated Motion
______30. A ball is thrown vertically upward. What is its instantaneous speed at its maximum height?
A. 0 B. 5 m/s C. 9.8 m/s D. 9.8 m/s2
A. 0 N•s B. 1.5 N•s C. 3.0 N•s D. 6.0 N•s
______21. An object moving with constant acceleration has
A. motion
B. uniform motion
C. constant motion
D. uniformly accelerated motion
______22. A ball is hit at an angle of 30°. Along its path, this projectile will have the least speed
A. just after it was launched
B. at the highest point in its flight
C. just before it hits the ground
D. halfway between the ground and the highest point
______23. If a water hose is aimed in order for the water to land with the greatest horizontal range, the angle of projection should be
A. 0° B. 30° C. 45° D. 60°
______24. A ball reaches a distance of 50 m after is hit at an angle of 30°. Given the same initial velocity, the ball will also reach the same distance if it was hit at
A. 15° B. 45° C. 60° D. 75°
_______25. A stand holds two white balls. At the same instant one ball is dropped straight down; the other ball is shot straight out. Which ball will hit the ground first? (Neglect Air resistance)
A. the dropped ball
B. the shot ball
C. both
D. none of the above
______26. If a freely falling ball is somehow equipped with a speedometer, by how much would its speed-reading increase for every second?
A. 0 m/s B. 9.8 m/s C. 10 m/s D. 20 m/s
______27. A sepak takraw ball is hit vertically upward by a player. What is its acceleration after 1 second?
A. 0 B. 1 m/s2 C. 9.8 m/s2 D. -9.8 m/s2
_______28. A volleyball is tossed vertically upward, with an initial velocity of 5 m/s and caught back at the same level as when it was thrown. What is the velocity of the ball at that point?
A. 0 m/s B. -5 m/s C. -9.8 m/s D. 9.8 m/s2
______29. The motion of an object with constant acceleration is also known as
A. Motion B. Uniform Motion C. Constant Motion D. Uniformly Accelerated Motion
______30. A ball is thrown vertically upward. What is its instantaneous speed at its maximum height?
A. 0 B. 5 m/s C. 9.8 m/s D. 9.8 m/s2
Answers & Comments
Answer:
20. B. 1.5 N•s
21. C. constant motion
22. B. at the highest point in its flight
23. C. 45°
24. C. 60°
25. B. the shot ball
26. B. 9.8 m/s
27. D. -9.8 m/s2
28. B. -5 m/s
29. D. Uniformly Accelerated Motion
30. A. 0
goodluck!!