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14-07-2020
Physics

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an airplane starts at rest on a runway. it accelerates at 4.44 m/s^2 and travels 738 m before taking off . how long did it take?

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MathPhys MathPhys

14-07-2020

Answer:

18.2 s

Explanation:

Given:

Δx = 738 m

v₀ = 0 m/s

a = 4.44 m/s²

Find: t

Δx = v₀ t + ½ at²

738 m = (0 m/s) t + ½ (4.44 m/s²) t²

t = 18.2 s

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