You drop a rock off of a building. It takes 4.5s to hit the ground. How tall is the building?

Physics

1 answer:

Fed [463]3 years ago

7 0

Show me the multiple choice then I'll do it but it might be 25 ft

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kherson [118]

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3 years ago

Help me besties ok thx

Pachacha [2.7K]

Answer:

$1 \\ 0.5 \times 500 \times 20 \times 20 \\ \ 2 \\ 0.5 \times 0.6 \times 100 \times 100 \\ 3 \\ 1000 \times 0.5 \times 10 \times 10 \\ 1000 \times 0.5 \times 20 \times 20 \\ 1000 \times 0.5 \times 30 \times 30 \\ 4 \\ 0.5 \times 40000 \times 30 \times 30 \\ 5 \\ \sqrt{ \frac{2}{0.1 \times 0.5} }$