PLEASE HELP ME! Which statement is NOT true about direct proportion?
A. direct proportion is a type of relationship between two variables
B. when one variable doubles, the other quadruples
C. when one variable doubles, the other doubles too
D. when one variable is zero, the other is also zero

The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.21 μs. in a certain experiment, muons moving through a laboratory are measured to have an average lifetime of 7.04 μs. for the moving muons, what are (a) β (b) k, and (c) p? the rest energy of the electron is 0.511 mev.

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied