Предмет: Физика, автор: yulyakorneewa21

ПОМОГИТЕ ПЛИИИИИИИИИИЗЗЗЗЗЗ!!!!ДАЮ 25 БАЛОВ!!!!!!!


Каністру , яка вміщує 40кг води наповнили бензином.Знайти масу бензина.

Ответы

Автор ответа: sokolovvovikn
0
Объем полной канистры V=m1/p1=40/1000=0,04 м3
Масса бензина m2=p2*V1/2=700*0.04/2=14 кг
Автор ответа: yulyakorneewa21
0
спасибо а можна ещё одну задачу
Автор ответа: sokolovvovikn
0
Кидайте.
Автор ответа: yulyakorneewa21
0
Скільки цистерн потрібно для перевезення 2160 тонн нафти.Якщо обєм кожноїцистерни 25м3
Автор ответа: sokolovvovikn
0
V=m/p=2160 000/800=2700 м3 N=V/V1=2700/25=108 цистерн
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