5. Express each of the following in m s-1 :
(a) 1 km h-1 (b) 18 km min-1
Ans. (a) 0-278 m s-1 (b) 300 m s-
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Step-by-step explanation:
a. 0.27778 m / sec
b. 300 m/sec
km / hr = 5 / 18 m/sec
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