Answer:
1.8 KMH
Step-by-step explanation:
to get the meters per second, simply divide the meters by the seconds. 4.5/9= .5
now, to convert from meters per second to kilometers per hour, multiply the meters per second by 3.6.
.5 x 3.6 = 1.8
Answer:
1.8 km/h
Step-by-step explanation:
Use dimensional analysis:
4.5m/9sec x 0.001km/1m x 3600sec/1hour=
16.2km/9hr=
1.8 km/h
