science
Grade-7
Easy

Question

90 km/h = ___ m/s.

  1. 25

hintHint:

25 meters per second

The correct answer is: 25


    As we know
    1 K m equals 1000 space m
1 h equals 3600 space s
1 left parenthesis K m divided by h right parenthesis equals 5 divided by 18 left parenthesis m divided by s right parenthesis
    and we have to find 90 Km/h, so
    90 K m divided by h equals 90 cross times 5 divided by 18 space m divided by s
space space space space space space space space space space space space space space space space equals 25 space m divided by s

    90×1000=90,000
    60×60=3600
    =90000/3600
    =25m/s

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