Find "x" at: x = Cos4377π + 8Sen750 ° Select one:

a. 1/3
b. 2
C. 1/2
d. 3

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.

When an object is heated it contracts. a. true b. false

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer