The cyclist traveled 50m in the first 10s, then the next 20s -200m and the last 10s – 150m.
| November 20, 2020 | education
The cyclist traveled 50m in the first 10s, then the next 20s -200m and the last 10s – 150m. Find the average speed of the cyclist along the way.
We will find the average speed by the formula U = S / t, where S is the entire path, and t is all the time.
S = 50 + 200 + 150 = 400 (m)
t = 10 + 20 + 10 = 40 (s)
U = 400/40 = 10 m / s or 36 km / h.
Answer: 36 km / h.
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