TheoryEnglish(Official) T1

page1of5

NR M

m

M R

ifi i N f0

Vcrfi i = 1, . . . , N. f0 N

c

vrmsN fi

i = 1, . . . , N f0vrms m

TheoryEnglish(Official) T1

page2of5

⟨K⟩ t −γ⟨U⟩ t

⟨K⟩t ⟨U⟩tγ

Γ = ⋅∑i

pi→ ri

→

dΓ/dt⟨ dΓ

dt ⟩t γΓ

N mg R vrms mg

RgRg

msn

v(r)v(r) r < Rg r ≥ Rg

v(r)

TheoryEnglish(Official) T1

page3of5

v(r) r ≤ Rg v0 r > Rg

mRRg v0 Rg

r Rg v0 n msr < Rg r ≥ Rg

mpn(r) T(r) r

TheoryEnglish(Official) T1

page4of5

dP/dr (r)m′ r n(r)(r)m′ r

TheoryEnglish(Official) T1

page5of5

(r)m′ n(r) T(r)r

T0

n(r) =α

r(β + r)2

α β

r