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Category: Physics
Suppose that the initial height of the object were measured from the top of the object at the release point to the floor. How would this affect your experimental result for g, that is, would it be too high or too low? Is this a random or a systematic error? (See Experiment 2 on errors.)
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Given three objects with same size and shape, but different masses are dropped simultaneously from a high altitude hot-air balloon. Would the heaviest fall the fastest? If so, would this mean that the acceleration due to gravity depends on mass? Or could there be another factor involved? (Hint: Take a look at the opening sentence of this experiment...
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Is air resistance or friction a systematic or a random source of error? (See Experiment 2 for error descriptions.) Would it cause the period to be larger or smaller than the theoretical value? (Hint: Consider what would happen if the air resistance were much greater—for example, as though the pendulum were swinging in a liquid.)
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It was suggested that you measure the time for several periods and determine the average period, rather than timing only one period. (a) What are the advantages of this method? It was suggested that you measure the time for several periods and determine the average period, rather than timing only one period. (b) How and why would the result be affe...
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What is meant by damped harmonic motion, and what causes it?

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