Question

Figure shows an incomplete velocity–time graph for a boy running a distance of 100 m.

a What is his acceleration during the first 4 seconds? _________________________

b How far does the boy travel during

(i) the first 4 seconds, _________________________________

(ii) the next 9 seconds? ________________________________

c Copy and complete the graph showing clearly at what time he has covered the distance of 100 m. Assume his speed remains constant at the value shown by the horizontal portion of the graph.



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Answer 1

Explanation:

............ .............

Answer 2

Answer:

a is 5/4m2 b is 10m c is 10+25=35