Post on 20-Feb-2018
7/24/2019 16149 1 - - 2 -
1/1
: sciencephysics4all.weebly.com
sciencephysics4all.weebly.com
16149
.1 m1m2
d
.
. ,
. m1 m2
t1 t2.
1
2
2t
t
) . :
) .
) ()
B) 21 2tt
... ,
21)()( 0 pppp
221121210 mmpppp
2
2
1
1
t
dm
t
dm
2
2
2
1
2 t
m
t
m 2
1
2
mm
2
2
1
m
m
- sciencephysics4all.weebly.com