Im sorry i don't really get this whole physics thing...does gravity have anything to do with this question...and the answer in back of the book is 11 m but no matter what i do icant seem to get that answer
Homework Statement
When you drop a rock into a well, you hear the splash 1.5 sec later. How deep is the well?
Homework Equations
The Attempt at a Solution
Speed of sound 343m/s
x=(343m/s)(1.5)=514.5
Homework Statement
The speed of surface waves in water decreases as the water becomes shallower.Suppose waves travel across the surface of a lake with a speed of 2.0m/s and a wavelength of 1.5m. When these waves move into shallower part of the lake, their speed decreases to 1.6m/s, though...