1. (a) If a freely falling rock were equipped with a spe
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1. (a) If a freely falling rock were equipped with a speedometer, by how much would its speed readings increase with eac
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1. (a) If a freely falling rock were equipped with a speedometer, by how much would its speed readings increase with each second of fall? (b) Suppose the freely falling rock were dropped near the surface of a planet where g=20m/s^2. By how much would its speed reading increase each second? 2. (a) when a ball is thrown straight up , by how much does the speed decrease each second? (neglect air resistance) (b) after the ball reaches the top and begins to come back down, by how much does its speed increase each second? 3. If you drop an object in the absence of air resistance, its acceleration toward the ground is 10m/s^2. If instead ou throw it down, will its acceleration immediately after the throw be great, the same, or less then 10m/s^2? Why is this so?
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