Question

How is the speed of 90 km/h expressed in m/s?

Answer 1

Step 1: Given data

Speed = $90km/h$

Step 2: Converting km/h to m/s

We know that,

$1hr=3600sec$

$1km=1000m$

To convert $90km/h$ to $m/s$

$90\times \frac{1000}{3600}=25m/s$

Therefore the answer is $25m/s$.