26. An object is moving with a constant acceleration of 2 m/s^2. What is its change in velocity in 5 seconds?
a) 5 m/s
b) 10 m/s
c) 15 m/s
d) 20 m/s
Answer: b) 10 m/s
27. Which of the following is the correct equation for calculating time taken?
a) t = (v + u)/2a
b) t = s/v
c) t = (v – u)/a
d) t = s/u
Answer: c) t = (v – u)/a
28. A ball is thrown vertically upwards with a velocity of 20 m/s. How high will it go?
a) 20 meters
b) 40 meters
c) 60 meters
d) 80 meters
Answer: c) 60 meters
29. An object is moving with a constant velocity of 10 m/s. What is its acceleration?
a) 0 m/s^2
b) 10 m/s^2
c) -10 m/s^2
d) It cannot be determined without additional information
Answer: a) 0 m/s^2
30. The slope of a displacement-time graph represents:
a) Speed
b) Velocity
c) Acceleration
d) Distance
Answer: b) Velocity
