Sagot :
Answer:20m/s the speed of the car travelling 400m in 20s.This is somewhere around 50-53mph.
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Explanation:
Distance covered=400 m
Time taken=20 seconds
Therefore,
Speed= distance/ time=400/20=20 m/s
Therefore, it is moving at a speed of 20m/s.
Time taken=20 seconds
Therefore,
Speed= distance/ time=400/20=20 m/s
Therefore, it is moving at a speed of 20m/s.