u |
u |
u |
a |
ℓ = u t |
u = g t |
tg a ctg a.
y |
uoy |
uo |
a |
x |
;
ℓ = uox t |
- 16. .
- , . u, ,
.
u2 = ¾¾¾; R + h |
m u2 F = ¾¾¾; R + h |
F = m a; |
h
R
m M F = G ¾¾¾¾; (R + h)2 |
m u2 m M ¾¾¾¾ = G ¾¾¾¾. R + h (R + h)2 |
R >> h, h 0,
____ ___________________ u = Ö R g Ö 6, 4 × 10 6 ×10 / 2 7900 / 8 / |
, , .
( 8 /) .
(11/) , , .
(16,66/ ) , , .
-17. 7 . .
mg |
N |
u |
F |
F || , |
.