temaganenko
03.10.2020 01:55
Физика
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1. I opened the door and (look) inside 2. Who (close) all the windows?
3. The plane (land) ten minules ago.
4. We (live) in that house when I was a baby
S. We _Churry) to the station to catch the train
6. Dad (not help) me with my homework
7. Dinosaurs (live) many years ago
8. My new shoes_(not cost) a lot of money .
9. We (buy) a new car
10.1 (put) sugar in my coffee
11. The glass_(fall) off the table​

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Ответы на вопрос:

Andreyyy56
4,6(9 оценок)

дано                   си

v=25л           0,025 м³

p=900кг/м³

m-?

p-?

решение

m=pv

m=900кг/м³*0,025 м³=22,5кг

p=mg

p=22,5кг*10h: кг=225h

ответ: 22,5кг; 225h

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