# If a man runs a distance of 100m in 9.83sec ,calculate his average speed in km/hr

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S = d/t

= 100/9.83

= 10.172m/s

= 10.172 * (18/5)

= 36.61 km/hr

= 100/9.83

= 10.172m/s

= 10.172 * (18/5)

= 36.61 km/hr

9.83s*(1hr/3600s) = .00273 hr

speed = .1km/.00273hr = 36.6 km/h

hope it will help u :)