Post on 06-Mar-2016
description
: sciencephysics4all.weebly.com
sciencephysics4all.weebly.com
16118 -21262
.2 m 1 2. t. ) . :
1 2 1 2 1 2( ) ( ) ( )
. . . m m m
mg mg mgt t t
) . .
) ()
)
.
12 ppp
12 ppp 12 ppp 12 mmp
12 mp
t
pF
t
pF
t
mF 21
t
mwN 21
w
t
mN 21
mg
t
mN
21
- sciencephysics4all.weebly.com
1p
2p