Magnitude-acceleration of the rock
A rock of mass 40 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 234 N. What is the magnitude of the acceleration of the rock?
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A 8.00 kg object oscillates at the end of a vertical spring that has a spring constant of 2.05 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3.00 N·s/m. (a) Calculate the frequency of the dampened oscil
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