At what speed does the cyclist move when applying a force of 200 N and developing a power of 0.8 kW?
| July 29, 2021 | education
Task data: F (applied force) = 200 N; N (the power that the cyclist in question was able to develop) = 0.8 kW (800 W).
We express the speed with which the cyclist in question should move from the formula: N = F * V, whence V = N / F.
Let’s calculate: V = 800/200 = 4 m / s.
Answer: A. the cyclist in question must move at a speed of 4 m / s.
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