emmalinecrittenden emmalinecrittenden

13-09-2020
Physics

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How long would it take you too run the 100m sprint if from rest you accelerate at 2m/s/s for the whole race?

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MathPhys MathPhys

13-09-2020

Answer:

10 s

Explanation:

Given:

Δx = 100 m

v₀ = 0 m/s

a = 2 m/s²

Find: t

Δx = v₀ t + ½ at²

100 m = (0 m/s) t + ½ (2 m/s²) t²

t = 10 s

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