Question

if a sprinter runs a distance of hundred metres in 9.83 seconds calculate his average speed in kilometre per hour​

Answer 1

Distance=100m

time =9.83 sec

speed=distance/time

=100m/9.83sec

1kmph=1000m/3600sec=5/18 m/sec

1kmph=5/18m/sec

so 1 m/sec=18/5kmph

so 100/9.83m/sec=(100/9.83)×(18/5)=36.612kmph

Answer 2

i hope this is helpful to you....