If A is traveling at 72 km per hour on a highway. B is
traveling at a speed of 25 meters per second on a highway.
What is the difference in their speeds in m/sec.
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Answer Posted / musa
If A is Traveling 72km/hour then its meter/sec is
1km=1000m then 72km=72000m and
1min.=60sec then 1hour(60min.)=3600 sec
72000m/36000= 20
and B is traveling 25meters per sec
so diff. is 25-20 =5
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