Question

Convert 1000.0 mm/s to km/hr. (1 km= 1000 m, 1 m = 1000 mm, 1 hr = 3600 S )

Answer 1

Step-by-step explanation:

1 km =1000 m

1km=1000000 mm then

1mm=1/1000000=1*10^-6

1 hour =3600 sec

1 sec=1/3600=2.8*10^-4 hr

now

1000.0 km/hr=1000.0*1*10^-6/2.8*10^-4=3.571 mm/s