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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?
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Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 3.90 ÎC. What is the potential difference between the plates? Express your answer with the appropriate units. Part B If th ...
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A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?
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