: .
, , .1. 2 1 . 3, 4 5. 6.
( 7) , , , , .
h, , , .
: . , ( ), , , , . , .. h, (m×g×h) .
:
(1)
I - , w - , r0 - , m - . V = w×r0.
h, t :
V=at (2)
V:
. (3)
(3) (1) :
. (4)
g, (4) g = 9,81 /2 , . (4) , g:
(5)
1. ( ) :
mi = m0 + m + mi, (6)
m0 - ; m - ; mi - . . 1.
2. ( 2) :
Ii = I0 + I + Ii , (7)
I0 - d02, (d0 - );
I - I= m×(d2+d02),,(d - );
Ii - Ii = mi×(d2+d2), (d - ). .
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1.
3. . , 4-5 .
4. , h.
5. .
6. "" , .
1
m0, () | m, () | m, () | m = m0 + m + m, () | |
d0, () | d, () | d, () | ||
I0, (×2) | I, (×2) | I, (×2) | I = I0 + I + I, (×2) | |
7. . , .
8. "" , .
9. t . ( ).
10. 3-5 . 2. <t>.
11. . 2.
2.
h =, () | ||||||||
1. | t1, c | <t1>, | ||||||
2. | t2, c | <t2>, | ||||||
3. | t3, c | <t3>, |
12. (4) g , . .
13. (5) , (7). .
1. ?
2. .
3. . , .
4. . .
5. .