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物理 高校生

なぜ、この問題において運動量保存の法則が使えるのですか? 詳しく説明教えてください!

104 図のように長さの糸に結ばれた質 2 量mの小球Aが水平面から高さしの 位置にあり、点〇の真下の水平面上には質 量mの小球が静止している。小球Aを 初速度0で静かにはなし 小球Bと衝突さ せる。重力加速度の大きさを」とする。 (1) AとBが完全弾性衝突をするとき,衝 突直後のAとBの速さを求めよ。 着目!「完全弾性衝突」とは,は ねかえり係数が1の場合です (e=1) (図5-13)。10で当たって、10ではね かえってくるということです。 一方、「完全非弾性衝突」は、はね かえり係数が0という意味です(e= 図5-14) つまり はねかえって こないということですね。 物体が壁に 当たって、くっついて離れない状況を イメージしてください。 では解いてみ ましょう。 A (m) (2) AとBが完全非弾性衝突をするとき, AとBは一体となって振り 子運動をする。AとBは水平面からどれだけの高さまで上がるか。 (3)(2)の場合に,衝突によって失われた力学的エネルギーはいくらか。 橋元流で。 解く! 完全弾性衝突とは はねかえり係数=1 10 10 15-12 完全非弾性衝突とは はねかえり係数= 0 ベチャ! 図5-13 END 準備 小球Aは 円運動をしながら落ち, 最 下点で小球Bに当たりま す。 そのときの速さを求めましょう。 円運動の解きかたについては,第7講 で詳しくやりますので、いまは力学的エネルギー保存則が使えるというこ とだけ知っておいてください。 【P.136】 END 図5-1-

未解決 回答数: 2
英語 高校生

赤丸をつけたところが分かりません。ちなみに、【】は副詞句・副詞節、()は形容詞句・形容詞節、〈〉は名詞句・名詞節です。 1つ目の赤マルは、なぜthat以下が副詞節なのか(自分は名詞節だと思った) 2つ目はの赤マルは、何のofか

[At the turn of the twentieth century, a remarkable horse (named Hans) was paraded [through Germany] [by his owner Wilhelm von S M Osten, a horse trainer and high-school mathematics teacher. Not only could "Clever Hans" understand complex questions (put to him 同格のカンマ 「すなわち」 V S in plain German) 構文図解 M M O 過去分詞の名詞修 [If Tuesday falls on the eighth of the month M - but he could answer them by 0 M M what date is the following Friday?" not only A but (also) B S C S tapping out the correct number] [with his hoof]. [Using this simple V M with 「~を使って」 分詞構文「~して」 M response], it appeared [that Hans could add, subtract, multiply, and S V M add, subtract, multiply, divide divide, tell the time, understand the calendar, and both read and add ~ divide, tell the time, understand the calendar, both words spell words]. Suspicious, the German board (of education) appointed S M M V Being 省略の分詞構文 a commission, (including circus trainers, veterinarians, teachers, and 0 「~を含んだ」 M circus trainers, veterinarians, teachers, psychologists psychologists), to investigate the situation. Surprisingly, they to do C M S concluded [in 1904] <that no trick was involved>. This did not satisfy V V M S O 名詞節のthat the board, and the case was passed [to psychologist Oskar Pfungst) O S V M [for experimental investigation]. [Braving both the horse's and M 名詞節のthat observer of human behavior >. M owner's notoriously bad tempers], Pfungst finally was able to 分詞構文 「~して」 S M V demonstrate <that Hans was no mathematician, but rather a fine not[no] A but (rather) B[ATTB 20 t を使っ 教育

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英語 高校生

間違ってるとこあったら教えてください

英語 6 次のグラフ及び英文を読み、1から3の質問の答えとして最も適当なものを,それぞれ①~④ 23 のうちから一つずつ選びなさい。 解答番号は Not very familiar 18% Somewhat familiar 25% Not familiar 7% 21 Survey on Esports - 7 - Very familiar 50% Kazuhiro's dream is to be a professional esports player in the future. Esports stands for electronic sports. It is a form of video game competition. Sometimes tournaments for money are held and many people watch them online. Kazuhiro's friends introduced him to esports a few years ago, and he quickly became one of the best players among his friends. He has also participated in many local esports tournaments with them, and their team always won first or second place. Because of this experience, he started thinking of becoming a professional esports player. In one of his classes, Kazuhiro had to make a newsletter for his assignment. He decided to do a survey on esports. He found that some of his classmates were not familiar with esports. So, he thought he would try promoting it in his high school. He held an esports event for his classmates at school. He was not sure whether anyone would come to this event, but to his surprise, many students attended and enjoyed his workshop. He showed them some of the most famous video games in esports. He also gave them some advice on how to win. Finally, he did a live esports demonstration and played against a friend in another country. After this, a lot of his classmates asked Kazuhiro about esports. He felt pleased and satisfied with what he did. Now, he not only wants to be a professional esports player, but also be a person who can promote it. Through esports, he has been able to make friends all over the world, and he wants to spread the joy to other people. 2023KN1A-14-008 1 According to the pie chart, which of the following is true? 0 Less than 50% of the students are familiar with esports. 2 More than 90% of the students are not familiar with esports. 3 Twenty-five percent of the students are not familiar at all with esports. 4 Seventy-five percent of the students are familiar with esports. 2 According to the passage, which of the following is true about Kazuhiro? He wants to be a professional esports player. He wants to create a new video game in esports. He has a negative image of esports. 4 He has already won a lot of money from playing esports. 2 3 3 According to the passage, which of the following is true about Kazuhiro? He got confused when his friends asked him questions about esports. 2 He held an event to teach his classmates about esports at his school. 3 He was disappointed because not many people came to his workshop. 4 He learned about a professional esports player from his classmates. - 8 21 英語 22 23 2023KN1A-14-00

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英語 高校生

英単語教えて欲しいです。 間違えてるところあったら教えて欲しいのと、分からないところが沢山あるのでこの文章の中に書かれている単語で右の空欄教えて欲しいです。お願いします。

20 25 20 35 15 STEP 3 DEAR (1年7月改) 回 目標 IGG 登場人物の心情を想像しながら読み進めよう。 次の英文を読んで,あとの問いに答えよ。 取り組み日 A 日 得点 /18 目標時間 17分 tell Sara was annoyed/when her mom told her the news. from Japan/to live with her family//Their two-bedroom apartment/was(already crowded/ with her mom, dad and her.// While her mom was from Japan/Sara (7)/She knew only a few Japanese words. 5 Her mom told her about Sara's Grandpa)//He studied English (in college, but Sara and Grandpa had never spoken (in English.) When she went to Japan every summer, the most. they said to each other was "Ohayo" in Japanese. Grandpa didn't talk much. A month had passed since Grandpa moved in/With the new family member in her home, Sara spent more time alone in her room working on her favorite hobby drawing 10 comic strips./She hardly showed these drawings to anyone.) Her parents thought it was a waste of time. They hoped she would spend more time on her schoolwork.)// Sara had been working for months on a 16-page comic book about a teenage girl with magic powers. She hoped to enter it in a comic book contest the next month but was struggling with how to draw the hero with invisible magic powers// One afternoon, she got so frustrated that she crushed almost all the pages she had drawn and threw them in the wastebasket) She didn't know why but her eyes were full of tears. //Her Her grandfather was moving She grabbed her jacket and went into the living room. Grandpa was reading a book (on the sofa. She said, "Please tell my mom that I went for a walk. Grandpa said. “Itterasshai" to her but she walked out of the room. When she came home, Sara was still upset, but more disappointed. a comic book that she could hand in for the contest. del pr Then she saw her desk. Her drawings were put back on the desk//They were laid flat and attached with small sticky notes all over the pages.// Sara(1-0)Who had gone through her wastebasket? //This was her room.//No one came in without telling her.)// The handwriting on the sticky notes) was really easy to read//She (quickly) realized they were from Grandpa. 'here wouldn't be "Sara, you have a gift for art," the first note said. The second note was longer/"When 30 I was your age. I also wanted to be a comic artist."// The other notes gave to her face."Finally, someone understands my passion I Sara advice on improving her comic strips. Sara felt a smile coming to never imagined Grandpa would ()do that!" She started writing a card to Grandpa "Dear Grandpa /Thank you so much for your kind comments! I want to finish my comic book so I can enter it in the contest next month//Please be my advisor!/Love, Sara"// Grandpa was watching TV with her parents in the living room but looked at Sara/as she walked up to him.// Sara (1-2), so she handed him the card without a word. She wondered if Grandpa 40 would accept it. When he read the card, he smiled but did not say anything, either. Sara quickly went into her room. Her parents were wondering what had just happened. (1) She went straight back to the desk/and started working on her comic book //She only had a month. She couldn't wait to show Grandpa her next draft for more advice. (567W) 内 () ORIGINAL MATERIAL

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英語 高校生

この問題をといてもらえませんか?

D D D 字にしなさい)。 を参考に、以下の語句を使って1~10のセンテンスを完成させなさい (文頭は大文 everyone herself its them everything him one we he his our you her ours yourself hers their 例 The financial year ends in March, so (everyone)must must work hard. 会計年度は3月で終わるので誰もが一生懸命に働かなければならない。 1. Gap was established as a small store in 1968. Now ( global company. ギャップは1968年に小売店として開店した。今ではグローバル企業である。 2.( ) dream of becoming entrepreneurs has finally come true. 彼らの企業家になる夢がやっと実現した。 ), but another company will ) is a 3. The design for the product is ( manufacture ( ). その製品のデザインはうちのものであるが、 製造は他社がすることになる。 4. After the 1990s many Japanese banks merged, and many of ( have become mega-banks. 1990年代以後、 日本の銀行は合併し、 そしてそれらの多くはメガバンクになった。 5. The tomer went to talk to the company's sales manager (old) about return policy. その消費者は返品の方針についてじかに販売部長に話しに行った。 6. ( ) company is listed on the Tokyo Stock Exchange. Fifty-one percent of the stock is ( 彼女の会社は東京証券市場に上場している。51パーセントの株は彼女のものである。 7. The president wants to control ( ). Now most decision making is done by ( ). 社長は何でも支配したい。こうなると、ほとんどの意思決定は彼によってなされる。 8. The senior manager was transferred to a local branch in Okinawa. ) has to live away from ( ( ) family now. 次長は沖縄の支店に異動になった。 彼は今では家族と離れて暮らさなければならな 9. To be a good businessperson, ( ). よいビジネスマンになるには自分のことを信じなければならない。 ) have to believe in 7

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英語 高校生

109番〜120番の答えないため確認できないのでみなさんの回答をよろしくお願いします🙇‍♀️

109. The hotel's ------- shuttle bus will take st guests to Hong Kong's major landmarks. months of work to sell the Apton Building, the realtor finally succeeded last cm week, al bas 110. (A) compliments (B) complimentary (C) compliment (D) complimenting (A) Besides (B) After (C) Still (D) For 111. We will review all four custodial-service bids ains and choose ------- that suits our needs. reauozib ybisenie Azoril (A) some (B) one (C) others (D) either olde 27 112. The client asked for the advertising text. (A) standards (B) drawings (C) revisions (D) duplications 113. Please be advised Juoriquant (A) phols is (0) dourn co! (0) entste wob (0) (A) that (B) of (C) whether (D) between (A) obtains (B) competes (C) inquires (D) claims brojed (A) etion ------- we have had to cancel your order because of a difficulty with our shipping agent. polisem to the images in ont est ------- (9 114. Tin Creek Corporation towels are the most absorbent on the market. .OET that its paper 115. KCLN Associates will enter into a business with the contractor as soon as some of the terms are renegotiated. (A) agreed (B) agreement (C) agreeable (D) agreeing 116. ------- ---- registering for online banking is not required, we strongly recommend it to all of our customers. (A) Although (B) Instead (C) Regardless (D) Despite 117. Viewers can easily ------- to the main character in the popular television series Autumn Mystery. (A) related (B) relatable (C) relating (D) relate of 118. Fairlawn Medical Clinic offers a full ------- services as part of its community wellness programs. (A) center (B) surplus (C) range (D) type ROT 119. The rear entrance to RC Bank will be closed for repairs and not next Monday. (A) accessible (B) accessing (C) access (D) accesses (A) decidedly (B) furthermore (C) rather (D) everywhere allory (5) vetele (0) balio (0) 120. Mr. Carson wants to see Carson audio products -------, even in remote regions of the world. TEST

未解決 回答数: 1
英語 高校生

至急❗️大門3と大門4がわかりません。教えて下さい。よろしくお願いします。

3 次の英文の( )に入れるのに最も適当なものを1つ選び、記号を○で囲みなさい. (1) 2012 is the year ( 7. when ) our soccer team played in the finals. 1. where . which (2) Japan is the country ( 7. how ) people drive on the left. 1. that . where ) I respect him. (3) My father works hard every day. That's ( 7. how 1. when . where (4) There are some points ( ) I disagree with you. 7. how 1. when . where ) our city is often attacked by typhoons. (5) Summer is the season ( 7. how 1. when . where ) a famous novelist lives. (6) That is the house in ( 7. that 1. which (7) I caught a cold. This is ( 7. how (8) The time will come ( (2) That is the point when you are mistaken. I. why * drive on the left 「(車が) 左側を走る」 I. which (3) I want to know the way you cooked this delicious dish. . where ) I will be absent from today's meeting. 1. which . why I. whose ) humans live to be 150 years old. *live to be ~ 「~になるまで生きる」 1. when 7. how . where I. why (9) I'm interested in publishing a book. Could you tell me ( ) you published your book? 7. that 1. how . which I. whose (4) That is the bakery where my aunt opened last week. I. why I. why 4 次の英文の誤りを正しく直し、全文を書きかえなさい. 誤りがない場合は,解答欄に○を書きなさい. (1) Please tell me the exact time where you will arrive here. (5) Do you know the place where we often gather and have lunch in? I. whose I. whose (6) In our house, we have a beautiful flower bed where my mother loves. * flower bed 「花だん」

未解決 回答数: 1
英語 高校生

正直に言って難しいです 教えて下さい🙏

たことに気 さらなる 寝てしまっ を息子に与え ので とでも、 ■p.112-1 るだろう になる) ます) 行 3年間 en + EXERCISES S 時制(過去完了形 未来完了形) ⑤ ()内の動詞を適切な形にしなさい。 れなさい。 (1) Ann knew I (buy) a new smartphone the week before. (2) Ed got good grades on the final exams because he (study) hard for them. (4) He said that he (meet) her two days before. & vil Jan REA : of elds ed\neb ((3) Jack went out last night though he (promise) he wouldn't. daten yabroamib (gorout) antiu alq mas 10 23 TVC à o elde ed A 6 日本語に合うように, )に適語を入れなさい 。 (1) 私はテストまでに,この単語を全部暗記しているでしょう。 I( ) memorized all these words ( (2) 今度の3月で、 私はこのスイミングクラブに所属して5年になる。 I()()( to this swimming club o sídù phblus ta March. (3) 来春の終わりまでで, 彼らは7年間日本で暮らしたことになるでしょう。 )the end of next spring, they ( ).( ) seven years. C the time of the test. rlds ad TO W ) five years next niwe bluos ade ) in Japan (2) 私は今度また〜に行くと, ・・・回行ったことになる。 [be] D datrontalde 7 与えられた状況に合うように ( )内の語句を並べかえ, 全文を書きなさい。 ただし、不要な語 on Dinos snblios of olde 句が1つずつ含まれています。 C D (1) 状況 「ハムレット」の新訳がもうすぐ出ます。 ユイは2回読んだことがあるので・・・。 Yui (read / three times / had / Hamlet/ have / will) if she reads the newest translation. BT: (638 (2) 状況 大学卒業後に日系企業に就職したエリー。 もうじき勤続20年になります。 In October, Ellie (been / the same company/have / for/ has / will / working) for 20 years. 28972 TOMUT SAT (3) 状況 徹夜で勉強するつもりだったが気づくと・・・。 When I woke up this morning, I (asleep / realized / have/I/ that/ fallen / had ) while studying last night. 8 [ ]内の語を参考にして, 〜, ・・・に自由に語句を入れ, オリジナルの英文をつくりなさい。 CD 445) und sd d'abloos ist a (1) 私はすでに... (人) が〜したと思っていた。 [think][loansajtarablwoo BOJAD Sou ed il m 29

未解決 回答数: 1