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Physics Undergraduate

⑤にてエネルギー保存を示したいのですが、kl(x2-x1)とkx1x2という見慣れない項が出てきてしまいました。これらは何を表すのでしょうか。

(2) ぴっ T M 3=9/² か Imm X=0 10 22 3.1 おもりで ①おもりに対する運動方程式は m x₁ (t) = f ( x₂(+)-(α₁ (+)- l )... (i) ②おもり2に対する運動方程式は oe im m₂ (t) = = k ( X₂ (t)- X₁ (t)) -- (ii) fe X, (+) + 2₂ (²)) = ○分数の ③ cin+cil)を計算するとm(グ(ホ)+税え(たる) 両辺を積分すると m(xi(セ)+((+))=C,(c)・積分定数) 初期条件より C1=mぴなのでmxi(t)+mai(t)=mvo... (iii) よって運動量保存則が導けた。また全運動量Pの値はP=mvoと表せる。 ⑤ (1)xx1+ (ii) ×ュを計算すると m (?: (+) + Int 0₂ (C)棟分定数) ④ ciiUをtで積分するとmixi(t)+(mフェ) (+) ((m) Vott Cz (C2:積分定数) 幸せる。 PA 11 C₂ = 0 +507" m X₁ (t) + m X ₂ (t) = m Vo t すなわち x=1/2(xii(t)+22(t)) = vot と求められる。 2 12(0)²-1(ft t m x₁ x ₁ + m²₂ 21₂ = k ( x, x₂ - x₁ x₁ - x₁) - k (X₂ X₂ - 21₂ 2²₁) - x₂) 友(プ,フューズ、グレーlx)(xマューグロスコ) gift (iit) {-(メレオナズップ2)+ℓ(ゴューズ)+(x,x2+スチュ)}(乃(土) 両辺で積分すると下式のようになる。ただしC3は積分定数とする 無条件より積分定数にD 1/2/mx²+1/2/m252²={-(1/²+1/22^²)+ℓ(チュース)+x,x2}+C3 ・2 2 (TED² = mx²₁ ²2+ = mx ₂ + 1 X ² = = RX₂² - kl (X₂-X₁) - 12 X₁ X₂ = C3.

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English Senior High

自分の行きたい進路先の過去問を解いてみました。 解答が付いてないないので、どなたか添削お願いします🙇‍♀️ よろしくお願いします🙏

第2問 次の対話1~5の( )に入れるのに最も適切なものを、①~④の中から1つず つ選び、その番号を解答用紙の解答欄に記入しなさい。 1. A: Come downstairs, Mary. Dinner is ready. B: I'm ( ). (4) bringing 2 taking 2. A: What's that song you're listening to? B: You don't know? It's "Yesterday Once More" by the Carpenters. You ( hadn't heard 3 must've heard S ~ coming かどれない might hear 4 shouldn't hear rough ないた 3. A: I'd like to go to Narita Airport./ Can you tell me foughly what the fare would be? B:( ). A: Can you make it in 30 minutes? I'm supposed to be there by 6 o'clock. B: I don't know if I can, but I'll try. I suppose it'd be about ten kilometers. I suppose it'd be about three thousand yen. 3 I think the train is late. A: ( ) B: So I can't agree to that. I think I can pay tomorrow. 金 像 4. A: I want to buy this golden statue of a bear. B: What good will it be to us? 1 Heaven knows. I didn't mean it. arrived too late you I have a question going 2 That's too bad. I know just how you feel. 5. A: Hello. This is Sophia Klein speaking. May I speak to Bill? B: Bill? There's no one by that name here. I'm afraid (). A: Oh, I'm sorry. Good-bye. ③ I can't hear you well you have the wrong number ) it before.

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English Senior High

解答がなく困っています。 どなたか分かる方いらっしゃいませんか?? どうしても行きたい進路先の過去問なので、よろしくお願いします。

第2問 次の対話1~5の ( つ選び、その番号を解答用紙の解答欄に記入しなさい。 1. A: Come downstairs, Mary. Dinner is ready. B: I'm ( ). hadn't heard 3 must've heard に入れるのに最も適切なものを、 ①~④ の中から1つず bringing 2. A: What's that song you're listening to? B: You don't know? It's "Yesterday Once More" by the Carpenters. You ( 2 taking 3 coming 4 going A: Can you make it in 30 minutes? B: I don't know if I can, but I'll try. 2 might hear 4 shouldn't hear 3. A: I'd like to go to Narita Airport. Can you tell me roughly what the fare would be? B: ( ). I'm supposed to be there by 6 o'clock. 1 I suppose it'd be about ten kilometers. 2 I suppose it'd be about three thousand yen. 3 I think the train is late. 4 I think I can pay tomorrow. Heaven knows. 3 I didn't mean it. 4. A: I want to buy this golden statue of a bear. B: What good will it be to us? A: ( B: So I can't agree to that. 1 you arrived too late 3 I have a question 2 That's too bad. 4 I know just how you feel. 5. A: Hello. This is Sophia Klein speaking. May I speak to Bill? I'm afraid ( ). B: Bill? There's no one by that name here. A: Oh, I'm sorry. Good-bye. ) it before. 2 I can't hear you well 4 you have the wrong number

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English Senior High

問題を解いたのですが答えがないので合っているか分かりません!教えてください🙏

テーマ |文法項目 商取引 受動態 (第4文型の受動態/群動詞の受動態 UNIT 4 Reading Track 18-19 貨幣はどこから生まれ、私たちの生活の中でどんな役割を果たしているのでしょうか。 Do you know what money is? It can be anything that enough people can agree on as a means of exchange. For example, rice can be money if many of the people in your town are willing to accept it as money. But when you are given rice by your 5 *employer and try to use it as money in other towns, you may get in trouble. Before money was invented, A. This way of exchanging *goods or services is called *barter. In a barter, one person must have something to exchange that the other wants. Many thousand years ago, B Later, it was cast into small, usually round, coins to make trading easier. The first coins were probably made in *Anatolia, or 10_ *Asia Minor, during the 7th century B.C. As the Greek and Roman civilizations began accepting coins as money, the rest of the world went along. C in the 13th century. The concept of paper money was not accepted by Western countries until the early 18th century. The early paper money issued in the West was not successful. Their paper money was easily destroyed because of its poor 15 quality. So, merchants would not accept it. Only in the 20th century did it finally stand on its own. Note Today, as new technologies have changed our lives, many transactions are carried out on the Internet. In such trading, e-money or electronic money is used. E-money is the money that exists only in banking computer systems and has no 20 physical form. Once it's stored on your devices, you can pay at restaurants and stores. Before long, people may carry ( @ ) paper money ( 6 ) coins. (294 words) * employer 雇い主 goods. serviceサービス barter Anatolia アナトリア 〔トルコ共和国のアジア側の半島部 ] Asia Minor 小アジア 〔黒海, 地中海, エーゲ海に囲まれたアジア最西部の地域 ] Note transaction EX31 業務 取引などを相手 〈人〉 と 「行う」 「処理する」ことを意味す る transactの名詞形。 英語では 「商取引」のことをcommercial transaction, またはbusiness transaction という。 JSSUHTU

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