Convert 15 km per hour to meters per second 25m per second 9m per second 54 m per second 4.2m per second

asked Dec 23, 2021 178k views

2 votes

Convert 15 km per hour to meters per second

25m per second
9m per second
54 m per second
4.2m per second

7.6k points

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0 votes

1km = 1000m
1hr = 3600sec

Do proportions:
1km / 1000m = 15km / x
15000m = x

1hr = 3600sec

15000/3600 = 4.2m per second
Choice 4

MissingNumber answered Dec 28, 2021