A stone is dropped into a well and 4.5 seconds later the sound of the splash is heard. Then a second stone is thrown downward into the well with an initial velocity Vo and the sound of the splash is heard in 4 seconds. If the velocity of sound is constant at 1120 fps, determine the initial velocity of the second stone. a. Identify the type of motion defined in the problem.  b. Set up the equations of motion that is required to solve the problem.  c. Solve for the unknown variables by substituting the given in the equations of motion that has been set up previously.

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Chapter16: Waves
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Problem 43P: (a) Seismographs measure the arrival times of earthquakes with a precision of 0.100 s. To get the...
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A stone is dropped into a well and 4.5 seconds later the sound of the splash is heard. Then a
second stone is thrown downward into the well with an initial velocity Vo and the sound of the
splash is heard in 4 seconds. If the velocity of sound is constant at 1120 fps, determine the initial
velocity of the second stone.
a. Identify the type of motion defined in the problem. 
b. Set up the equations of motion that is required to solve the problem. 
c. Solve for the unknown variables by substituting the given in the equations of motion
that has been set up previously. 

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