Speed, velocity and acceleration

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Question 20
Easy

A motorcycle travels along a straight test track. The velocity-time graph below shows its journey.

Velocity-time graph for a motorcycle on a test track. The y-axis is velocity in m/s (from 0 to 30 with gridlines every 2 m/s). The x-axis is time in s (from 0 to 40 with major markers every 5 s). The graph consists of four line segments: the first segment goes from (0, 0) to (8, 16) showing a linear increase in velocity; the second segment is horizontal from (8, 16) to (20, 16); the third segment goes from (20, 16) to (28, 28); the fourth segment goes linearly down from (28, 28) to (40, 0).

Calculate the acceleration of the motorcycle in the first 8 s shown on the graph.

Use the equation:

acceleration=change in velocitytime \text{acceleration} = \frac{\text{change in velocity}}{\text{time}} acceleration=timechange in velocity​
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Speed, velocity and acceleration Questions

  1. GCSE
  2. /Physics
  3. /Speed, velocity and acceleration