стальной шар объёмом 200 куб. метров весит, погружённый в воде, причём сила натяжения нити 10

стальной шар объёмом 200 куб. метров весит, погружённый в воде, причём сила натяжения нити 10 Н. определите объём полости внутри шара
- Предмет:
  Физика
- Автор:
  trigger
- 6 лет назад

Ответы 1

Решение.
Если бы шарик без полости, то его вес составил бы (здесь ρ=7800 кг/м3 – плотность стали, а м3):
кг
что составляет 273 грамм. Из-за полости его вес меньше на 273-234 = 39 грамм, следовательно, ее объем, равен:
м3
или 5 см3.
Ответ: 5.
- Автор:
  cindy lou whox8fy
- 6 лет назад
- 0
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стальной шар объёмом 200 куб. метров весит, погружённый в воде, причём сила натяжения нити 10 Н. определите объём полости внутри шара

Ответы 1

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