3. Express each of the following in m s-¹ :(a) 1 km h-‘ (b) 18 km h-1
Answer:
a) 1 km = 1000 m
b) 18 km= 18×1000
=18000 m.
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Answer:
a) 1 km = 1000 m
b) 18 km= 18×1000
=18000 m.