7 sinf 8-mashq yechim

7-sinf 8-mashq. 1. velosiped g‘ildiragi bir minutda 120 marta aylanadi, aylanish davri va chastotasini toping. ______________ aylanish davri; aylanish davriga teskari kattalik, aylanish chastotasi deyiladi; 2. soatning minut mili aylanish davri sekund mili aylanish davridan necha marta farq qiladi? ______________ aylanish davri; (1)-formulani minut va sekund mili bo’yicha yozamiz; va (2)-va (3)-ifodalarni o’zaro bo’lib, nisbat olamiz. 3. charxpalak 10 minutda 20 marta aylanadi, uning aylanish davrini toping. ______________ charxpalakning aylanish davri; 4. minutiga 1200 marta aylanayotgan motor valining aylanish chastotasi qanday? ______________ motorning aylanish chastotasi; 5. yerning o‘z o‘qi atrofida aylanish davri 24 soatga teng. u 144 soatda o‘z o‘qi atrofida necha marta aylanadi? __...

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