Equation of Motion Problems Displacement. Distance. Speed and Velocity
1. Donovan Bailey ran the 100 m dash at the Atlanta Olympics in 9.84 s. Michael Johnson ran the 200 m in 19.32
s and the 400 m in 43.49 s. Find their average speed in each case.
Wom
kilometrom

Below in bold.

Explanation:

1. Speed = distance / time

= 100 / 9.84

= 10.16 m/s.

Speed =  200/19.32 = 10.35 m/s.

Speed =  400/43.49 = 9.20 m/s.

this one:

as we gain mass the force of gravity on us increases.

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