divendres, 28 de maig de 2010

Drawing graphs II

Q5.On sports day the first three in the 1 000 m race ran as shown in the graph below.

a) Wich runner, A, B or C, won the race?

b) How long did the winner take?

      1. Which runner kept up a steady speed?

d)What was that speed

      1. in m/min?

      2. In km /h ?

e) Which runner achieved the fastest speed and what was that speed?

Q6. Two cars start a journey a midday(1200) one travels from A to B, and the other from B to A. The distance between A and B is 80 km. The speed of the first car is 48 km/h and the other car B travels at 60 km /h

The graph below shows these journeys

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