Answer:
[tex]v=1.35m/s[/tex]
Explanation:
Hello,
In this case, since the given information shows that the traveled distance by the rolling ball was 400 cm that in meters is:
[tex]400 cm*\frac{1m}{100cm}=4m[/tex]
Thus, since the average speed is computed by using the distance and time (which was 2.97 s for this experiment):
[tex]v=\frac{d}{t}[/tex]
Thus, we obtain in m/s:
[tex]v=\frac{4m}{2.97s}\\ \\v=1.35m/s[/tex]
Best regards.
