Discussion of Question with ID = 043 under Distance-and-Time

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Question

A car is moving at a speed of 15 meters per second. What is the speed in Km/h?

A

54 kmph.

B

55 kmph.

C

53 kmph.

D

56 kmph.

Soln.
Ans: a

We know 1m/s = $18/5$ kmph. So 15m/s = $18/5 × 15$ = 54 kmph.


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