PH-409

Speed and velocity

Physics · Secondary 3 · Easy · Speed and velocity

A sprinter runs 40 m in 5.0 s at constant speed. Calculate her average speed.

$8.0\,\text{m s}^{-1}$
$0.125\,\text{m s}^{-1}$
$5.0\,\text{m s}^{-1}$
$45\,\text{m s}^{-1}$

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