You and your friend Kally are hiking in the Black Hills near Rapid City, South Dakota, when you stumble upon a ghost town. As you walk around, you find a well in the center of the town. The well has no pulley or rope. You look down into the well and from how dark it is you could tell that it is deep. Kally knows that you are taking physics 150 at Rio Hondo College, so she asks you to figure out the depth of the well. You take a stone and drop it into the well and you and Kally wait for the splash. Kally measures the time with her digital watch and tells you that it took 4 seconds. How deep is the well?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter25: Reflection And Refraction Of Light
Section: Chapter Questions
Problem 59P
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You and your friend Kally are hiking in the Black Hills near Rapid City, South Dakota, when you stumble upon a ghost town. As you walk around, you find a well in the center of the town. The well has no pulley or rope. You look down into the well and from how dark it is you could tell that it is deep. Kally knows that you are taking physics 150 at Rio Hondo College, so she asks you to figure out the depth of the well. You take a stone and drop it into the well and you and Kally wait for the splash. Kally measures the time with her digital watch and tells you that it took 4 seconds. How deep is the well?

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