Physics, 14.04.2021 14:00 campbelldean
A girl runs 40m due south in 40 seconds an d then 20m due north in 10 secondsCalculate.
the average speed,
her average velocity .
in her change in velocity for the whole journey!
Answers: 2
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A girl runs 40m due south in 40 seconds an d then 20m due north in 10 secondsCalculate.
the average...
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