A car travels 54km in 45min. Express it's speed in m/sec.
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Answered by
9
54km/45min
54*1000m/45*60sec
54000m/2700sec
20m/sec
54*1000m/45*60sec
54000m/2700sec
20m/sec
Abhirup1:
54*1000/45*60=20 m/second
whats wrong in this??
nothing
why u commented??
Answered by
6
time in hr = 3/4
speed in km/h = 54/(3/4) = 54*4/3
speed in m/s = speed in km/h × 5/18
= 54×(4/3)×(5/18)
= 20m/s.
speed in km/h = 54/(3/4) = 54*4/3
speed in m/s = speed in km/h × 5/18
= 54×(4/3)×(5/18)
= 20m/s.
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