1 answer

Where does the 1.61 come from

Question:

a person jogs eight complete laps around a quarter mile track ina total time of 12.5 min calculate (a) the average speed and (b)the average velocity in m / s


Answers

From the given problem we can see thatthe distance travelled is 2.0 milesthe displacement is zero because the endingpoint is the same as thestarting point(a)the average speed will beuavg = d / Δt=2.0 mi / 12.5 min=(2.0 mi / 12.5 min) (1610 m / 1 mi) (1 min / 60 s)=........... m / s(b)the average speed will bevavg = Δx / Δt=0 m / s.

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