If you move twice as far away from a lawn mower running in an ...

[mcmcdaniel]

If you move twice as far away from a lawn mower running in an open field, the amplitude of the sound you hear will be ___________ what it was before.
 a. the same as
  b. twice
  c. half
  d. four times
  e. one fourth

Question 2

If one lawn mower causes an 80 dB sound level at a point nearby, four lawnmowers together would cause a sound level of ____________ at that point.
 a. 92 dB c. 86 dB
  b. 84 dB d. none of the above

[jessofishing]

Answer to Question 1

C

Answer to Question 2

C

[mcmcdaniel]

Gracias!

[strudel15]

Excellent