1.

Convert each of the following speeds into m/sec.(a) 72 km/hr(e) 38 km/hr(b) 12.6 km/hr(f) 54 km/hr

Answer»

To convert km/h to m/ sec multiply the following by we 18/5

(a) 72 * (5/18) = 4*5 = 20m/sec

(b) 12.6 * (5/18) = 3.5m/sec

(e) 38(5/18) =10.5m/sec

f) 54(5/18) = 15m/sec



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