You Drop a Stone Down a Well That Is 9

question 196

Multiple Choice

You drop a stone down a well that is 9.5 m deep. How long is it before you hear the splash? The speed of sound in air is 343 m/s and air resistance is negligible.

• A) 1.3 s
• B) 1.4 s
• C) 1.6 s
• D) 1.5 s
• E) 1.2 s

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