Author Question: Speed can sometimes be negative. Indicate whether the statement is true or ... (Read 38 times)

jlmhmf · **on:** Jul 28, 2018

Speed can sometimes be negative.
Indicate whether the statement is true or false

Question 2

The decibel scale is:
a. linear: Three decibels minus two decibels equals one decibel.
b. proportional: Three decibels is the square of two decibels, and four decibels is the square of three decibels.
c. logarithmic: Two decibels is ten times one decibel; three decibels is ten times two decibels.
d. inverse: A two decibel sound is half as loud as a one decibel sound.
e. logarithmic by tens: Ten decibels is ten times one decibel; twenty decibels is one hundred times ten decibels.