Multiple Choice
You drop a stone down a well.After 2.45 s you hear the splash.How deep is the well? The speed of sound in air is 343 m/s.
A) 9.50 m
B) 12.8 m
C) 18.2 m
D) 21.3 m
E) 27.5 m
Correct Answer:
Verified
Correct Answer:
Verified
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