Page 220 - index

32-ɫɭɪɟɬ

Ɋɚɞɢɭɫɬɚɪɵ r ɠԥɧɟ r dr ɤɨɧɰɟɧɬɪɥɿ ɟɤɿ ɲɟԙɛɟɪɥɟɪɞɿԙ ɤԧɦɟɝɿɦɟɧ
ɞɢɫɤɿɞɟɧ ɠԝԕɚ ɫɚԕɢɧɚ ɬԥɪɿɡɞɟɫ ɷɥɟɦɟɧɬ ɛԧɥɿɩ ɚɥɚɦɵɡ. ɗɥɟɦɟɧɬɬɿԙ ɚɭɞɚɧɵ –

ds S ˜ (r dr)2 S ˜ r 2 (ɟɤɿɧɲɿ ɞԥɪɟɠɟɥɿ ɦԛɲɟɫɿ dr 2 | 0 ), ɦɚɫɫɚɫɵ –

dm U ˜ 2S ˜ r ˜ dr ( U – ɷɥɟɦɟɧɬɬɿԙ ɬɵԑɵɡɞɵԑɵ). ɀɨԑɚɪɵɞɚԑɵ 94-ɮɨɪɦɭɥɚ

h 2 dm R USR 4 US R 2
2
(M ) 2SUr 3dr
³ ³ɛɨɣɵɧɲɚ IO ɧɟɦɟɫɟ ɲɚɦɚɫɵɧ M
0 (115)

ɚɪԕɵɥɵ ɚɥɦɚɫɬɵɪԑɚɧɧɚɧ ɤɟɣɿɧ:

IO MR 2 .
2

33-ɫɭɪɟɬ

Ɇɚɫɫɚɫɵ Ɇ , ɪɚɞɢɭɫɵ R ɞԧԙɝɟɥɟɤ ɰɢɥɢɧɞɪɞɿԙ, ɨɧɵԙ ɰɟɧɬɪɿ ɚɪԕɵɥɵ

ԧɬɟɬɿɧ ɨɫɿɧɟ ԕɚɬɵɫɬɵ ɚɥɵɧԑɚɧ ɢɧɟɪɰɢɹ ɦɨɦɟɧɬɿ ɞɟ ԧɬɤɟɧ ɠɨɥԑɵɞɚɣ
ɬɚɛɵɥɚɞɵ ɠԥɧɟ ɮɨɪɦɭɥɚɫɵ ɫɨɥ ɫɟɤɿɥɞɿ ɛɨɥɚɞɵ, ɹԑɧɢ:

Iz MR 2 . (116)
2

ȿɝɟɪ ԕɚɥɵԙ ɫɚԕɢɧɚɧɵԙ ɧɟɦɟɫɟ ԕɭɵɫ ɰɢɥɢɧɞɪɞɿԙ (ԕԝɛɵɪɞɵԙ) ɢɧɟɪɰɢɹ

ɦɨɦɟɧɬɿɧ ɬɚɛɭ ɤɟɪɟɤ ɛɨɥɫɚ ɨɧɞɚ

Iz M (R12 R22 ) (116ɚ)
2

ɮɨɪɦɭɥɚɫɵ ԕɨɥɞɚɧɵɥɚɞɵ.

218