A cyclist is moving with a velocity of

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

4\,\text{m/s}

. He then increases his velocity uniformly to

12\,\text{m/s}

3\,\text{s}

and continues at this speed for the next

4\,\text{s}

. (a) Draw a labelled velocity–time graph for the motion. (b) Using the graph, determine the total displacement of the cyclist during these

7\,\text{s}