Answer: metre per second.
- A metre per second
- B the metre
- C metre per second²
- D the second
Correct answer: A. metre per second
Explanation: Velocity is displacement per time, so its unit is m/s.
On a velocity-time graph for uniform acceleration, the slope of the line gives the acceleration and the shaded area under the line gives the displacement.
Concept context
Equations of motion, projectile motion, relative velocity. Foundation of all mechanics.