Answer:
The average velocity is 2 m/s.
Explanation:
Given data:
Distance covered during head start is, [tex]d_{1}=5 \;\rm m[/tex].
Distance covered at the end of race is, [tex]d_{2}= 15\;\rm m \; (East)[/tex].
Time taken is, [tex]t = 5 \;\rm s[/tex].
The expression for the average velocity is,
[tex]v_{av.}=\dfrac{d_{2}-d_{1}}{t}[/tex]
Substituting the values as,
[tex]v_{av.}=\dfrac{15-5}{5}\\v_{av.}=2 \;\rm m/s[/tex]
Thus, the average velocity is 2 m/s.
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