On a 200 km bike cycle ride, you ride the first 90 km at an average speed of 20 m/s. What must your average speed over the next 40 km be to have your average speed for the total 200 km be?
(a) 60 m/s?
(b) Given this average speed for the first 90 km, can you possibly attain an average speed of
80 m/s for the total 200 km ride? Explain.
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Answer:
a. 35 m/s
b. 48 m/s
hope this help you
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