In a closed electrical circuit, what visible evidence indicates that energy is flowing?

Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?

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.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge