Question

A football goalkeeper moves across her goal in a straight line. Her motion is shown on the following graph of horizontal position X vs.

time t.
X (m)
1
2
2
6
+
8
+ t(s)
10
12
What is the average speed of the goalkeeper
between the times t = 4 s and t = 12 s?

Answer 1

t =16 s

Step-by-step explanation:

because add 4 and 12 =16 now add 4s + 12s = 16s