>> 10 .

1.

 


17.

. (, 2), (, 1).

1. , . ν1 = 3000 /, ν2 = 600 /. D2 = 500 . D1 ?

. ω1 = 2πν1, ω2 = 2πν2. : υ = ω1R1 = ω2R2.

,

2. , 40 , 2 /. , , .

. 1 (. 1.64), , υ1 = 0. , 1 , , (1.29), υ = ωr, r O1 . ω = υ0/R.

υc = υD = ωR√2 = υ0√2 ≈ 2,8 /.

A υA = 2ωR = 2υ0 = 4 /.

, ,

           , ,

, . , , D 0 , , 1 D .

3. . υ0 , υ? r, R (. 1.65).

. υ . . ω = υ/(R - r), = R - r. υ0 = ωR = υR/(R - r).

, . , .

4. r υ0 , 2 . (. 1.66, ).

. 1.66, . ω = υ0/OM,

,

    1. 95 /. 30 .

    2. 3,5 . 15 .


1

    1. .

    2. .

    3. .

    4. , .

    1. .

    2. .

    3. .

.
,

 

 

@Mail.ru