An airplane travels the first 20 mins at 300 km/h and the next 20 mins at a speed of 200 km/h. Find its average speed.
I want detail solution not only answer value
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Answer:
12.5m/s
Step-by-step explanation:
average = 300+200/40
=500/40
=12.5m/s
the formula is average speed = total distance/total time taken
the distance formula is speed *time...
the si unit of average speed is m/s
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