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Home Q & A Board Science-Related Homework Help Physics
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_biology _biology
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11 years ago
For example,
A rock with a mass of 45kg falls straight down off a cliff. The magnitude of air resistance that opposes the downward motion is constant and equal to 250N.

I have already calculated acceleration with is -4.2m/s^2 so would that be it's magnitude of acceleration? I don't understand what the question means or how to find it.
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smooth229smooth229
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11 years ago
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