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If an athlete is able to sprint 100 metres in 10 seconds, the average speed of the athlete is:
a. 36 km/h
b. 36 m/s
c. 6 km/h
d. 60 km/h
e. 38 km/h
answer is A. 36 km/hr
36 KMPH
speed = (distance) / (time)
distance (d) = 100m
time (t) = 10sec = 10
speed = 100/ 0.1 = 1000m/s = 36km/h
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