on a 120 km Road, a car travels the first 30 km at a uniform speed of 30kilometre per hour how far how must the car travel from the first so as to have an average speed 60 km/h for the entire journey
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on a 120 km Road, a car travels the first 30 km at a uniform speed of 30kilometre per hour how far how must the car travel from the first so as to have an average speed 60 km/h for the entire journey
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Answer:
60 kiolmeter in per hour
Answer:
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