Birinchi jism tezligining koordinata o'qlariga proyeksiyalari mos ravishda v_x1 = 4 m/s va vy1 = 3 m/s ga teng. Ikkinchi jism birinchi jismga nisbatan tik ravishda harakatlanishi ma'lum. Agar ikkinchi jism uchun v_x2 = −3 m/s ga teng bo'lsa, vy2 (m/s) ni toping.

  1. 2
  2. −4
  3. 4
  4. −2

📝 Detailed explanation

Ikkinchi jism birinchi jismga nisbatan tik (perpendikulyar) harakatlanishi aytilgan. Bu vektorlarning skalyar ko'paytmasi nolga teng bo'lishi kerakligini bildiradi. Shundan kelib chiqib, vertikal proyeksiyaning tezligi 4 m/s ni tashkil etadi.
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