- #1
Nance
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I'm trying to figure out this problem...
A rock of mass 49 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 249 N. What is the magnitude of the acceleration of the rock?
I know that I should multiply 49kgx9.8 to figure out the effect gravity has, right?, but I have no idea how to figure in the 249 N air resistance...
A rock of mass 49 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 249 N. What is the magnitude of the acceleration of the rock?
I know that I should multiply 49kgx9.8 to figure out the effect gravity has, right?, but I have no idea how to figure in the 249 N air resistance...