Speed of 90 km/h when expressed in m/s is _____.

Speed of 90 km/h when expressed in m/s is _____.

    1. 9000 m/s
    2. 90 m/s
    3. 25 m/s
    4. 20 m/s

Answer: 3. 25 m/s

Explanation:

We know that,

  • 1 km = 1000 m
  • 1 hour =3600

Now converting km/h into m/s, we get

90 km/h = 90 km/h x 5/18 = 25m/s.

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