В сосуд с водой опущены три одинаковые пробирки с жидкостью. Первая пробирка
движется вверх, вторая плавает внутри жидкости, а третья движется вниз. (Плотность
воды на всей глубине считать одинаковой).
а) Изобразите силы, действующие на вторую пробирку
в) На какую из пробирок действует наименьшая выталкивающая сила?
ответ обоснуйте.
219
227
Ответы на вопрос:
R: good morning, kia camp. how can i help you? ɑː: gʊd ˈmɔːnɪŋ, kia kæmp. haʊ kæn aɪ hɛlp juː ? m: oh hello! i'd like to reserve a place at your art and drama summer camp, please. ɛm: əʊ hɛˈləʊ! aɪd laɪk tuː rɪˈzɜːv ə pleɪs æt jɔː r ɑːt ænd ˈdrɑːmə ˈsʌmə kæmp, pliːz . r: what's your name? ɑː: wɒts jɔː neɪm ? m: it's mark brown. ɛm: ɪts mɑːk braʊn . r: and when would you like to come? ɑː: ænd wɛn wʊd juː laɪk tuː kʌm ? m: from 1st to 16th of july, please. ɛm: frɒm ðə fɜːst tuː ˈsɪksˈtiːnθ ɒv ʤu(ː)ˈlaɪ, pliːz . r: ok, that's fine. are there any specific classes that you are interested in taking? ɑː: ˈəʊˈkeɪ, ðæts faɪn. ɑː ðeə r ˈɛni spɪˈsɪfɪk ˈklɑːsɪz ðæt juː ɑː r ˈɪntrɪstɪd ɪn ˈteɪkɪŋ ? m: yes, i would like to do painting and photography. ɛm: jɛs, aɪ wʊd laɪk tuː duː ˈpeɪntɪŋ ænd fəˈtɒgrəfi . r: i'm afraid there aren't any places left in photography. ɑː: aɪm əˈfreɪd ðeə r ɑːnt ˈɛni ˈpleɪsɪz lɛft ɪn fəˈtɒgrəfi . m: ok, then. how about sculpture? ɛm: ˈəʊˈkeɪ, ðɛn. haʊ əˈbaʊt ˈskʌlpʧə ? r: that's fine. i've made the booking. you need to send a deposit in order to reserve your place. can i have your e-mail address so i can send you details of our bank account? ɑː: ðæts faɪn. aɪv meɪd ðə ˈbʊkɪŋ. juː niːd tuː sɛnd ə dɪˈpɒzɪt ɪn ˈɔːdə tuː rɪˈzɜːv jɔː pleɪs. kæn aɪ hæv jɔː iː-meɪl əˈdrɛs səʊ aɪkæn sɛnd juː ˈdiːteɪlz ɒv ˈaʊə bæŋk əˈkaʊnt ? m: of course. it's [email protected] ɛm: ɒv kɔːs. ɪts mɑː[email protected]ɒm . r: thanks, mark. looking forward to seeing you in july. ɑː: θæŋks, mɑːk. ˈlʊkɪŋ ˈfɔːwəd tuː ˈsiːɪŋ juː ɪn ʤu(ː)ˈlaɪ . m: thanks a lot. bye! ɛm: θæŋks ə lɒt. baɪ !
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