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Твёрдое тело нагревают.На рисунке приведён график зависимости температуры тела от переданного ему количества теплоты.Масса тела 2кг.Удельная теплоемкость вещества в этом процессе равна
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Предмет:
Физика -
Автор:
joaquinxftv - 5 лет назад
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Ответы 1
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Q=cmΔTгде c-удельная теплоемкость вещества, которую нам нужно найтиT1=320К по условиюВыберем любую точку на графике и определим чему равно СQ=60Дж, T2=380Кc=Q/mΔT=
Дж/кг*К
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Автор:
spookey087n - 5 лет назад
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Помогите перевести текст!!! 30 баллов даю!!! Нужен точный перевод!!
Chapter 3 COME AWAY, COME AWAY!
For a moment after Mr. and Mrs. Darling left the house the night-lights by the beds of the three children continued to burn clearly. They were awfully nice little night-lights, and one cannot help wishing that they could have kept awake to see Peter; but Wendy's light blinked and gave such a yawn that the other two yawned also, and before they could close their mouths all the three went out.
There was another light in the room now, a thousand times brighter than the night-lights, and in the time we have taken to say this, it had been in all the drawers in the nursery, looking for Peter's shadow, rummaged the wardrobe and turned every pocket inside out. It was not really a light; it made this light by flashing about so quickly, but when it came to rest for a second you saw it was a fairy, no longer than your hand, but still growing. It was a girl called Tinker Bell exquisitely gowned in a skeleton leaf, cut low and square, through which her figure could be seen to the best advantage. She was slightly inclined to EMBONPOINT. [plump hourglass figure]
A moment after the fairy's entrance the window was blown open by the breathing of the little stars, and Peter dropped in. He had carried Tinker Bell part of the way, and his hand was still messy with the fairy dust.
"Tinker Bell," he called softly, after making sure that the children were asleep, "Tink, where are you?" She was in a jug for the moment, and liking it extremely; she had never been in a jug before.
"Oh, do come out of that jug, and tell me, do you know where they put my shadow?"
The loveliest tinkle as of golden bells answered him. It is the fairy language. You ordinary children can never hear it, but if you were to hear it you would know that you had heard it once before.
Tink said that the shadow was in the big box. She meant the chest of drawers, and Peter jumped at the drawers, scattering their contents to the floor with both hands, as kings toss ha'pence to the crowd. In a moment he had recovered his shadow, and in his delight he forgot that he had shut Tinker Bell up in the drawer.
If he thought at all, but I don't believe he ever thought, it was that he and his shadow, when brought near each other, would join like drops of water, and when they did not he was appalled.-
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Английский язык -
Автор:
paddington - 5 лет назад
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Какую ездовую собаку предпочитают жители Аляски для перевозки очень тяжелых грузов по крепкому насту и льду северных территорий?
А-сибирскую хаски
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Відстань між двома містами поїзд здолав за 9 год а легковій автомобіль за 7 год знайти швидкість поїзда і швидкість легкового автомобіля якщо швидкість поїзда менша на 18км за год а відстань між містами залізницею і по шоссе однакові
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