A car travels at a speed of 60 km/h for 0.52 h, at 30 km/h for the next 0.24h and then at 70 km/h for the next 0.71h. what is the average speed of the car?
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Answer:
See the explanation
Explanation:
The distance covered in 0.24 hr at a speed of 30 kmph = 24*30/100 = 7.2 km. The distance covered in 0.71 hr at a speed of 70 kmph =71*70/100 = 49.7 km. The total time of travel = 0.52+0.24+0.71 = 1.47 hours.
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i will 32 km/per hour Yes i am sure
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