find the distance in metres travelled by a train in 20 minutes when travelling with a speed of 72km /h.
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speed =distance /time
convert kmph to meterpersec by multiply with5/18
convert miniutes to seconds
speed=72×5/18
speed=4×5
speed=20m/sec
time=20×60=1200sec
speed=distance/time
20=distance/1200
distance=20×1200
distance=24000meters is answer obtained
convert kmph to meterpersec by multiply with5/18
convert miniutes to seconds
speed=72×5/18
speed=4×5
speed=20m/sec
time=20×60=1200sec
speed=distance/time
20=distance/1200
distance=20×1200
distance=24000meters is answer obtained
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