: .
: , , , (5 . 2 .), , .
1(2)
-
| () | |
| () | |
| () | |
| () | |
| () | |
| () | |
| , |
:
2(1)
, 25-30 . (5 .), , . , .
h l, (tg φ = h/l), : = tg φ.
| : H= L= =? |
tg φ = h/l=
|
3 (1)
. , . (. ) (. ). s = AB. ( .)
4(1)
5 . 2 .; . ., , . . , . . , . (. ). , .
(. ) (. D). , D CD. s1 s2.
5(1)
m1 =6,45 m2 = 5,1 , s, s1, s2 υ, υ1 υ2 , 1 2 .
:
| : S= S1= S2= = m1 = 6,45 m2 = 5,1 =? 1=? 2=? | :
|
6(1)
, . , , D, , . , 1, p2. , :
|
|
|
7(1)
| |
7. ' = 1 + p2, 2 . .
∆ p = ' - .
∆p ∆p.
7(1)
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