Question

A boy runs for 1200sec. at a uniform speed of 5m/s. At what speed should he run for the next 2400 sec. so that the average speed comes 6.66m/s

Answer 1

Answer:

boy runs for 1200sec. at a uniform speed of 5m/s. At what speed should he run for the next 2400 sec. so that the average speed comes 6.66m/s