A journey with three velocity stages

A journey with three velocity stages

Secondary 4
5 marks
TGM Original Questions

The velocity-time graph shows the motion of a particle along a straight line for seven seconds. The graph consists of three straight-line segments.

  1. Find the acceleration during the first two seconds.[2]
  2. Find the total distance travelled.[2]
  3. Find the average speed for the whole journey.[1]

Solution:

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Answer:(a) \(2\text{ m/s}^2\). (b) \(20\text{ m}\). (c) \(\frac{20}{7}\text{ m/s}\).

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