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Канистра наполненная водой имеет вес 160Н. Какой вес будет иметь эта канистра,если её наполнить бензином,если масса пустой канистры 1 кг. Плотность воды 1000кг/м³, бензина 0.72 г/см³
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Предмет:
Физика -
Автор:
doobiepjzf - 7 лет назад
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Ответы 6
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Прошу решите.. умоляю!!!!!
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Автор:
uriahh3g6 - 7 лет назад
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0
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А откуда у нас 10, когда от 160 отнимаем 10 и получаем 150Н
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Автор:
tucker13 - 7 лет назад
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0
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Ааа все поняла
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Автор:
emelychambers - 7 лет назад
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0
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ну вес ведро 10 Н
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Автор:
zavierfvbg - 7 лет назад
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0
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1 кг это 10Н да?
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Автор:
tarzanowwv - 7 лет назад
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0
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сначала найдем объем канистра
P2 здесь вес канистры
P=P1+P2
Р1=Р-Р2=160-10=150Н
m=15kg
V=15*10^-3 м3
М=15*10^-3*720=10.8кг
Р бензин=10.8*10=108Н
Р°=Р бензин + 10=118Н
ответ. 118Н
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Автор:
bumper9pxt - 7 лет назад
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0
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4. An alternative holiday
5.It’s not only for people
6.It’s important to see the right bird
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The most common present on St Valentine’s Day is a box of chocolates. The tradition goes back to the 1800s when doctors made patients eat chocolate to make them feel happier. This might also be the reason why in the 1860s Richard Cadbury produced his heart-shaped box of chocolates exclusively for Valentine’s Day.
B.
St Valentine’s Day is a perfect occasion to express your deepest feelings to the person you love. On Valentine's Day lovers, friends, and family members exchange Valentine’s Day Gifts as symbols of love. However, statistics say that nearly 9 million people prefer celebrating Valentine’s Day with their pets and give them presents. The reason is that most pet owners consider animals to be more grateful and loyal than humans.
C.
The red heart is the main Valentine symbol. Red is traditionally associated with the colour of blood. At one time, people thought that the heart, which pumps blood, was the part of the body that generates love. In fact, when the Egyptians mummified their dead for burial, they removed every organ but the heart because they believed the heart was the only part of the body necessary for the trip through eternity.
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E.
Some superstitions about seeing birds on Valentine’s Day are really funny. Once it was believed that if a woman saw a flying robin on Valentine’s Day, she would get married to a sailor. However, if she saw a sparrow, her future husband would be poor. Meanwhile, if she saw a goldfinch, then she would marry a millionaire. However, there is no answer who she would marry if she saw a pigeon, as history does not say anything about pigeons.
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The two characters, Romeo and Juliet, from the play by William Shakespeare are remembered all over the world as the emblem of romance. The young lovers lived in the Italian city of Verona. On every Valentine’s Day this city still receives about 1,000 letters addressed to Juliet. The fictional character is still alive for many people who believe in romantic and immortal love.
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