A car travel half of the length of a straight line motion with a speed of 60 km per hour the remaining part of distance is covered with a speed of 40 km per hour for half of the time of remaining journey and which speak 20 kilometre per hour for the other half of the time the average speed of the car for the entire journey is
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Answer:
Average speed = total speed/no of times speed is given
Average speed = 60+20+40/3
= 120/3
= 40 km/h
Explanation:
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