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The fastest commercial airline service is 1450 mi/b. Find the speed in kmh-1 and ms-1

A. 1938 kmh-1, 618.3ms-1

B. 2030 kmh-1, 623.1 ms-1

C. 2334 kmh-1, 647.5 ms-1

D. None

Correct Answer :

C. 2334 kmh-1, 647.5 ms-1


1450×1.61 = 2334kmh-1 1 mile= 1.61km
2334×518ms-1 = 647.5 ms-1