3 years ago

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

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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PtichkaEL [24]

Answer:

Charge of the particle is 1 coulomb.

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Because Force = mass x Acceleration or F = m a, we could say that the mass is force/acceleration which in your case is 2,400/60 which equals 40 kg.

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1 year ago