Answer:
14.4km/h
Explanation:
The speed is 20 metres in 5 seconds.
Simpler though… 20 m / 5 s = 4 m / 1 s or 4 m/s in SI units. If we want it in typical car units, we have 0.004 km / (1/3600 h) = 0.004 km x 3600 h = 4/10 km x 36 s = 14.4 km/h.
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Answered By Drushti Chaplot
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