If a floating log is seen to bob up and down 15. times in a ...

[cmoore54]

If a floating log is seen to bob up and down 15. times in a minute as waves pass by you, what is the frequency and period of the wave?
 
  What will be an ideal response?

Question 2

The strong forces of attraction that exist between water molecules and are responsible for many of its unique properties as a solvent are called
 
  A) dispersion forces
  B) ionic bonds
  C) hydrogen bonds
  D) covalent bonds

[ghepp]

Answer to Question 1

0.25 Hz frequency, 4.0 second period

Answer to Question 2

C