Question

The following is a graph showing the displacements and times for the winner of a horse race. What was the average speed of the horse that won the race?



A.
0.05 m/s

B.
20 m/s

C.
45 m/s

D.
285 m/s

Answer 1

The average speed is given by:
\[\large Average\ speed=\frac{total\ displacement}{total\ time}=(you\ can\ calculate)\ m/s\]

Answer 2

what is the total displacement?
hint you can read it from your graph

Answer 3

b