Starter quiz

  • Match the quantity to the unit it is measured in.
    • mass
      ⇔
      kilogram (kg) ✓
    • velocity
      ⇔
      metres per second (m/s) ✓
    • displacement
      ⇔
      metres (m) ✓
    • acceleration
      ⇔
      metres (m) ✓
    • acceleration
      ⇔
      metres per second squared (m/s^2) ✓
    • time
      ⇔
      seconds (s) ✓
  • What is the velocity of this object at time = 3 s?
    What is the velocity of this object at time = 3 s?
    • 1 m/s
    • 3 m/s
    • 5 m/s
    • 6 m/s  ✓
    • 9 m/s
  • Which of these is a correct definition of acceleration?
    • The rate of change of speed.
    • The rate of change of velocity.  ✓
    • The rate of change of displacement.
    • The overall change in velocity.
    • The overall change in position.
  • During which time period is this object decelerating?
    During which time period is this object decelerating?
    • Between 0 s and 2 s.
    • Between 2 s and 4 s.
    • Between 4 s and 7 s.
    • Between 5 s and 7 s.  ✓
    • Between 7 s and 8 s.
  • A speedboat increases its velocity from 2.0 m/s to 14 m/s in a time of 8.0 s. Calculate the acceleration of the speedboat.
    • 0.25 m/s^2
    • 0.67 m/s^2
    • 1.5 m/s^2  ✓
    • 1.75 m/s^2
    • 12 m/s^2
  • The displacement-time graph shows the movement of a robot. Calculate the velocity of the robot at time = 45 s.
    The displacement-time graph shows the movement of a robot. Calculate the velocity of the robot at time = 45 s.
    • '-0.1 m/s' ✓
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