1
Ŕ
1. . , .
2. , , , .
.
1
1.
2. S, L. :
S=0,54 3; L=0,8 .
2
, . .
, , .
1
1. y=
l p, l < p
2. Z1=
m = x3
N3
, . .
, , .
1
1. V1, - V2 =50/. :
,
V=37,5/, 40/, 45/, 62,5/.
2. :
g- 9,81/c2;
n- /4, 6, 8/;
Q- /40, 60, 80,...., 140/ .
N4
" "
1
1. = ,
- n.
:
k = 3, = {2,7; 3; -6; 2; 4}
2. B m*n.
.
N5
" "
: , , .
.
|
|
1
1. N. . .
2. 4*2. .