A boy can run 16 km in 2 hours. Find out the speed of boy in km/h and m/sec.
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Answer:
km/h = 16km/2h
=8km\h Or 8 km h^-1
m/s = 16*1000m/2*3600
=16000m/120s
=2.22m/s or 2.22 m s^-1
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