soman drives his car at constant speed. if he travels at 10km and 800m in 12 minute .what is the speed per hour at which he travels?
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10km=10000m
total distance =10000+800=10800m
time =12 min =12×60=720sec
speed=distance /time
=10800/720
=15m/s
18/5 ×15=18×3=54km/hr
HOPE IT HELPED U
total distance =10000+800=10800m
time =12 min =12×60=720sec
speed=distance /time
=10800/720
=15m/s
18/5 ×15=18×3=54km/hr
HOPE IT HELPED U
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