A car travels at a speed of 20km per hr for 2h and at 60km per hr for the next two hr. Find average speed?
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Answered by
2
we know that average speed is equals to Total distance travelled upon total time taken
20+60/2+2
80/4
20km/h
Answered by
5
Answer:
Formula
Average speed=
2xy/x+y
2×20×60/20+60
2×20×60/80
=30 km/hrs
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