Solution: A stone is dropped from the roof of a high

Chapter 2, Problem 68GP

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QUESTION:

A stone is dropped from the roof of a high building. A second stone is dropped 1.30 s later. How far apart are the stones when the second one has reached a speed of 12.0 m/s?

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QUESTION:

A stone is dropped from the roof of a high building. A second stone is dropped 1.30 s later. How far apart are the stones when the second one has reached a speed of 12.0 m/s?

ANSWER:

Step 1 of 2

The height of the building is assumed to be

Let the elapsed time for the first stone be

The elapsed time for the second stone is

Final velocity of second stone is

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