A motorist travelled of his journey at 60 km/h and completed the remaining 90 km in 1 and half hours.
was his average speed for the whole journey?
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Answers
Answered by
5
Answer:
.
Acccording to the question,
Half journey travelled at 60km/h
Remaining journey = 1 - 1/2 = 1/2 = 90 km
Hence, total journey is 180 km.
speed = distance/time
speed for the remaining journey = 90/1.5 = 60 km/hr
Hence, as the speed is same for the first half journey and the remaining journey average speed for the whole journey is 60 km/hr.
Answered by
0
Answer:
AVG speed is 50/3m/s=60km/hr
Step-by-step explanation:
total distance travelled is 90km=90×1000m
total time taken is 3/2hr=90min=90×60sec
avg speed =total distance/total tym taken
=90×1000/90×60
=50/3m/s
=60km/hr
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