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I.
, ( ) .
II.
(sec) ( 3600).
f . (c/sec) 1 Hz (Hertz). f = .
u .u=
t = () s = 2R ( ) :
u=
:I. t .
=
II.
III. . , .
IV. (1 rad/sec)
( ). .=
, .
Fk . .Fk= mk Fk =
-
a) f = 1 Hz = 1c/s
b) u = , u = R , u = 2fR 1 m/sec
c) = , = , = 2f 1rad/secd) k = , = 2R , = , = 42f2R
O R
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