Question

1. Convert the following speeds to m/s:
a) 45 km/h​

Answer 1

Answer:

12.5 m/s

Step-by-step explanation:

1km=1000m and 1hour=60×60sec

using this information we get

45km/hr=

60×60sec

45×1000m

=12.5

Answer 2

1 kilometre per hour = 0.278 metre per second

Then 45 kilometre per hour = 12.5 metre per second

45 km/h = 12.5 m/s