Answer to Question #182537 in Physics for ROLDAN DAVID BALUYUT

Question

On a 40-km bike ride a cyclist rides the first 20 km at 20 km/h. What speed is required for the final 20 km if the average speed for the trip is to be (a) 10 km/h? (b) 30 km/h? (c) If the cyclist rides very fast for the final 20 km, what is the maximum value his average speed could approach?

Answer 1

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