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

Question

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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Thanh Thu 2 months 2021-07-31T21:36:59+00:00 1 Answers 1 views 0

Answers ( )

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    2021-07-31T21:38:14+00:00

    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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