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22/10/2021 6:08 pm
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If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
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22/10/2021 6:19 pm
Total distance travelled = 100 m
Total time taken = 9.83 sec
Average speed = \(\frac{Total\;distance\;travelled}{Total\;time\;taken}\)
= \(\frac{100}{9.83}\) = 10.172m/s
Average speed in km/h = 10.172 x (\(\frac{3600}{1000}\))
= 36.62 km/h