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College Physics (Urone)
Found in: Page 731

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Short Answer

You are riding in a train, gazing into the distance through its window. As close objects streak by, you notice that the nearby fluorescent lights make dashed streaks. Explain

A fluorescent light flickers and goes off occasionally, and the position of the switched-off light shifts as we approach it.

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Step by Step Solution

Step 1: Definition of Distance

Distance is a numerical representation of the distance between two objects or points. The distance can refer to a physical length or an estimate based on other criteria in physics or common usage.

Step 2: Explanation

The frequency at which the fluorescent light flickers is determined by the power source to which it is attached. This implies that there are times when the lights are turned off. The moments when the light turns off are separated in space when we move towards the light (or, conversely, when it moves towards us).

If the train moves fast enough, we can observe how the light cuts off in different areas, making it look strewn.

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