an aeroplane covers a distance of 120 km and 90s to cover a runaway while taking off Find the average speed
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Explanation:
90s in hours
1hr=3600s
1s=1/3600hr
90s=1/3600*90
90s=90/3600
90s=1/40
90s=0.025hr
speed=distance/time
=120/0.025
=4800km/hr
Answered by
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Answer:
Distance in meter= 120000m
Time=90s
Average speed = D/T
120000/90
1333.33m/sec
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