Discussion of Question with ID = 085 under Distance-and-Time

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Question

A car is moving at a speed of 90 kmph. What is the speed in m/s?

A

25 m/s.

B

26 m/s.

C

24 m/s.

D

27 m/s.

Soln.
Ans: a

We know 1kmph = $5/18$ m/s. So 90kmph = $5/18 × 90$ = 25 m/s.


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