Question

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.step by step

Answer 1

Answer:

200km bike cycle ride first 90 km at an average speed of20 m/s

40 km average speed is 20km =90 40=180