A car moves with a speed of 50 km/hr in half of the total time taken and with 60 km/hr rest of the time.What is the average speed of the body?
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your answer is 55 km / Hour
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Answer:
Average speed =
totaltime
totaldistance
The distance covered=30×
2
1
+25×1+40×2
=120km
Time taken=0.5+1+2=3.5h
Hence,
Average speed=
3.5
120
=34.286km/h
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