Question

the speed of car is 90kmh-1.express it in ms-1​

Answer 1

Answer: 25m/s

Step-by-Step Explanation: We know that,

1 km = 1000 m

1 hour =3600m

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

90 km/h = 90 km/h x 1000/3600

              = 90 km/h x 5/18

              = 25 m/s