Agar biz zichlikka bog'liq bo'lsak, tangalarning materiallari uchun ko'plab variantlar mavjud. Buning sababi shundaki, ko'plab materiallar o'xshash zichlikka ega. Masalan, mis (8,9 g / cm ^ 3) va nikel (8,9 g / cm ^ 3). Ammo, biz allaqachon tangalarni qirqish uchun ishlatiladigan eng keng tarqalgan materiallarni bilganimiz uchun, ularni taqqoslashimiz va taxminiy tangaga eng yaqin zichlikka ega bo'lganini tanlashimiz mumkin. Ushbu materiallar mis (8,4 g / cm ^ 3), bronza (8,7 g / cm ^ 3), zink (7,2 g / cm ^ 3), mis (8,9 g / cm ^ 3), nikel (8,9 g / cm ^ 3), alyuminiy (2,7 g / cm ^ 3), kumush (10,49 g / cm ^ 3) va oltin (19,32
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