5- Two liquids, A and B, have densities 0.75 grams per milliliter and 1.14 grams per milliliter, respectively. When both liquids are poured into a container, one liquid floats on top of the
other. Which liquid is on top?​

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.

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

The air that we breath is made mostly of which gaseous molecule