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25-09-2020
Physics

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An object accelerates from rest with a constant acceleration of 7.5 m/s2. How fast will it
be traveling after it goes 12 m?

Respuesta :

MathPhys MathPhys

25-09-2020

Answer:

13.4 m/s

Explanation:

Given:

Δx = 12 m

v₀ = 0 m/s

a = 7.5 m/s²

Find: v

v² = v₀² + 2aΔx

v² = (0 m/s)² + 2 (7.5 m/s²) (12 m)

v ≈ 13.4 m/s

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