Предмет: Физика, автор: timatitatar1029

Срочно даю 60 баллов с дано если надо перевести в си​

Приложения:

Ответы

Автор ответа: wlkvsk
0

На счет 3-ей задачи не уверен, но первые две точно правильны) Не болей.

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timatitatar1029: Спасибо я болею училка сказала либо 2 ли бо это контрольна а меня не было она и ещё не верит
wlkvsk: Обращайся)
wlkvsk: Старался на 60 баллов
Автор ответа: zinovicgrigorij
0

Ответ: 25,6км; 200см³; 833шт.

Объяснение:

Дано:

V=32км/ч

t=48мин=0,8ч

==========

S-?

S=V*t=32*0,8=25,6км

Дано:

m=1780г

ρ=8900кг/м³=8,9г/см³

-------------------

V-?

V=m/ρ=1780/8,9=200см³

Дано:

V=2дм³=0,002м³

ρ=1800кг/м³

Q=3т=3000кг

--------------------

n-?

Масса одного кирпича равна:

m=ρ*V=1800*0,002=3,6кг

Количество кирпичей, которое можно загрузить в автомобиль, равно:

n=Q/m=3000/3,6=833шт.

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