Suppose you watch a leaf bobbing up and down as ripples pass it ...

[jilianpiloj]

Suppose you watch a leaf bobbing up and down as ripples pass it by in a pond. You notice that it does two full up and down bobs each second. Which statement is true of the ripples on the pond?
 
  A) They have a wavelength of two cycles per second.
  B) They have a frequency of 4 hertz.
  C) We can calculate the wavelength of the ripples from their frequency.
  D) They have a frequency of 2 hertz.

Question 2

Every second, the Sun converts about 600 million tons of hydrogen into 596 million tons of helium. The remaining 4 million tons of mass is ________.
 
  A) converted to an amount of energy equal to 4 million tons times the speed of light squared
  B) reabsorbed as molecular hydrogen
  C) ejected into space in a solar wind
  D) ejected into space by solar flares

[djpooyouma]

Answer to Question 1

D

Answer to Question 2

A

[jilianpiloj]

Both answers were spot on, thank you once again

[djpooyouma]

Great! Please up vote