Calculate the final displacement from 0 if an object first moves 4 cm to the left and then 5 cm to the right

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.

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Write the correct abbreviation for each metric unit