An 18-year-old runner can complete a 100 km course with an, Ask an Expert

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An 18-year-old runner can complete a 10.0 km course with an average speed of 4.39 m/s. A 50-year old runner can cover the same distance with an average speed of 4.28 m/s.

a. What is the total time for 18 year old to complete a 10.0 km course?

b. What is the total time for 50 year old to complete a 10.0 km course?

c. What is the total time for cheetah to complete a 10.0 km course?

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