Answer:
8.89 m/s
Explanation:
The average speed of an object in motion can be calculated as:
[tex]v=\frac{d}{t}[/tex]
where
d is the distance covered
t is the time taken
In this problem,
d = 40 m
t = 4.5 s
Substituting into the equation,
[tex]v=\frac{40}{4.5}=8.89 m/s[/tex]
