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You Drop a Stone Down a Well

Question 45

Multiple Choice

You drop a stone down a well. You hear the splash 2.23 s later. How deep is the well? The speed of sound in air is 343 m/s.

A) 6.96 m
B) 20.2 m
C) 22.9 m
D) 18.8 m
E) 20.0 m

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