a car move with a speed of 40 km/h for 15min and then with a speed of 60km/h for next 15 mins. calculate the average speed of the car?
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Answered by
1
Speed of car in first 15 minutes = 40 km/h
Distance covered = speed × Time taken
60 minutes = 1 hour
15 minutes =
60
15
hour
Distance covered = 240×
60
15
=10km
Speed of car in next 15 minutes = 60 km/h
Distance covered = 60×
60
15
=15km
∴ Total distance covered = (10+15)km = 25 km
∴ 25 km
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0
Answer:
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