Daisy throws a rock horizontally with a speed of 12 ms from, Ask an Expert

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Q. A rock of mass 41 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 228 N. What is the magnitude of the acceleration of the rock?

Q. Daisy throws a rock horizontally with a speed of 12.0 m/s from a bridge. It falls 2.28 s before reaching the water below. When the rock hits the water it is traveling with what horizontal component of velocity?

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