You Drop a Stone Down a Well That Is 9

question 5

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