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23-04-2020
Physics

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A 25 kg rock falls for 2.7 seconds. How many meters tall was the
building?
Assume no air resistance, answer using two place values

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MathPhys MathPhys

23-04-2020

Answer:

35.72 m

Explanation:

Given:

v₀ = 0 m/s

a = 9.8 m/s²

t = 2.7 s

Find: Δx

Δx = v₀ t + ½ at²

Δx = (0 m/s) (2.7 s) + ½ (9.8 m/s²) (2.7 s)²

Δx = 35.72 m

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