You run
completely around a 400m track in
80s. What was your average velocity?

The average velocity of the runner for the given displacement and time of motion  is 5 m/s.

The given parameters:

The average velocity of the runner is determined by dividing the total displacement by the time of motion as shown below;

Thus, the average velocity of the runner for the given displacement and time of motion  is 5 m/s.

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V=?

S=400m

t=80s

V=S/t

V=400/80

V=5m/sec

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explanation:

f is prop to m1xm2 double m1 double force