SOLUTION: During the All Africa games held in South Africa in 1999, the following time was recorded in the 100 m men's track. 9.99s. Calculate the speed in a)m/s b)km/hr

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Question 966922: During the All Africa games held in South Africa in 1999, the following time was recorded in the 100 m men's track. 9.99s. Calculate the speed in
a)m/s
b)km/hr

Answer by BC17(9) About Me  (Show Source):
You can put this solution on YOUR website!
Isolate usefull infomation.
'the 100m took 9.9sec'
section a)
Put that in a ratio
100m/9.9sec
simplify to
10.10m/1sec
section b)
if m/s = 10.10m/1sec
then convert m to km
solution 0.0101km/1sec * 60 to get km per min
0.606km/min * 60 to get km per hr
36.36km/hr