Question

The speed of a moving car is 72 km/h Calculate its speed in m/s.

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Answer 1

1km/hr =5/18m/s

Therefore, 72 km/hr = (72× 5/18)m/s (cut 18 and 72 by 18)

= (4×5)m/s

= 20m/s

Answer :- 20m/s

Answer 2

Answer:

Speed in m/s = 72 * 1000

60 * 60

= 20 m/s.

Hope it helps....