Question

Speed of a bicycle is 90km/hr. What is its speed in m/sec.

Answer 1

90 km/ hr= 1 km= 1000 m

1 hr= 60 min=60 x 60= 3600 seconds

therefor, 90 km/ hr= 90 x 1000/3600

=9000/3600 =25 m/s

Answer 2

Answer:

90×5/18=25m/s

Explanation:

We can convert km/hr into m/s by multiplying 5/18