A cyclist covers the first 30 km at 30 km/h and the next 30 km at 60 km/h. What is the average speed for the entire journey?
A cyclist covers the first 30 km at 30 km/h and the…
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Written by
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A cyclist covers the first 30 km at 30 km/h and the next 30 km at 60 km/h. What is the average speed for the entire journey?
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