In: Physics
Mr. Arthur started from his house at 7.20 am and
cycled to his office at an average speed of 12km/h. Mrs. Atakora
started from Mr Arthurs house at 7.40am and travelled by car in the
direction as Mr. Arthur at an average speed of 20km/h. After
traveling 10km, Mrs Atakora met a friend and stopped for 30minutes.
She then continued her journey at an average speed 30km/h.
a)using a scale of 2cm to 20minutes and 2cm to 2km,draw the graph
of the journey of Mr. Arthur and Mrs. Atakora.
b) use your graph to find
i) when Mrs. Atakora overtook Mr. Arthur.
ii) how far Mr. Arthur was from house when Mrs. Atakora overtook
him.
iii) the distance between Mr. Arthur and Mrs. Atakora at
8.20am