GM
5
R
=
s
2
=
s
T
2
+
s
N
T
2
s
N
T
2
=
2
3
B
2
8
p
nm
a
v
g
=
v
A
2
3
s
T
=
kT
m
a
v
g
Virial Theorem (G=K)
Non-thermal=Magnetic (K=M)
(Myers & Goodman 1988)
Sound speed
If
, then
Larsonís Laws
(Larson 1981)
so that virial equilibrium + either of Larsonís Laws gives other.
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