How long after the start will the motorcyclist reach a speed of 72 km / h, moving with a constant acceleration of 5 m / s?

univerkov | November 30, 2020 | education

From the basic acceleration formula a = (U-U0) / t we can derive the formula for time: t = (U-U0) / a. Translating all the data into a convenient system (72 km h = 20 m s), we get: 20-0 / 5 = 4 s
Answer: t = 4 s.

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