2枚目の青で丸を書いてある場所(-の部分)についてです。はねかえり係数がマイナスになることって有り得るのですか？？

こに 参考目 3反発係数 質量 m テニスポールを床に落とすとはずむが(図44), ゴム ポールを落とすともっとよくはずみ, 床から勢いよく はねかえってくる。しかし, 粘土では床にくっついて しまってはねかえらない。 このような, はねかえりの A 床との衝突 の所から た後に小 h'[m]を 反発係 O図 44 テニス ポールと床との衝 鉛直 直前の一 とする 程度を表す量を考える。 突 図 45のように,鉛直下向きを正の向き として,小球が床末に衝突する直前の速度を o[m/s](»> 0), 衝突した直後の速度を [m/s)(が"< 0)とする。 ここで, 衝突直前 の速さ(速度の大きさ)は || =D v, 衝突直後 の速さは |'| =ーがと表されるので, 衝 突前後の速さの比奈、eとすると lo| lol ギーの エネ) 衝突直前 衝突直後 速度 v(<O) 正の 向き 速度 v(>0) V=(-e)ue= じ 1を超んないように! (53) O図 45 小球と床との衝突 ひ が成りたつ。eを反発係数(はねかえり係数)という。」1が」より coefficient of restitution も大きくなることはないから,veは息Se%1の値をとる。 アエネルキー保存される。 e=1の衝突を弾性衝突(完全弾性衝突ということもある)といい,この elastic collision 実 とき が| = |»| になるので, 最もよくはねかえる。 ギ-E 0Se<1の衝突を非弾性衝突という。e=0の場合を特に 完全規 inelastic collision 弾性衝突といい,このとき |が| = 0になるので, はねかえらない。 perfectly inelastic collision いろいろなボールと机の面との間の反発係数を測定してみよう。 ○実験6 問1 水平面上を進む小球が, 壁と垂直に衝突してはねかえった。衝突直前の小塚 の速さが2.0m/s, 衝突直後の小球の速さが1.5m/sであるとき,小球と壁 との間の反発係数はいくらか。 5 問16 水平な机の面より 80cm の高さの所から, 小球を自由落下させた。机の面と 小球との間の反発係数を 0.50 とするとき,小球は衝突後何 cmの高さまで はね上がるか。 Op.49 参考 0 48 第1編 力と運動 A

見辛かったらすみませんが、問2の英作文の添削をしていただきたいです🤲

2015年度 英語 13 They should not have to lose their livelihoods. Secondlv. although I agree 次の英文は、英語のディベートの授業での対話です。この対話を読み,下の問い に答えなさい。 with Keiko that climate change is a serious problem, I think air travel is a much less damaging source of carbon pollution than, for example, burnimg MR. ROBERTS: Good morning, everybody. Today we have the first of our Coal. We should address these more serious causes first. Finally, the most student debates. The topic this morning is air travel, and the argument is. 法 important reason is the issue of freedom. People in a democracy expect the “Domestic air travel in Japan should be discouraged." Keiko will first argue right to travel as they wish. It has made our lives more convenient and in favor of the proposal and Junko will speak against. Over to you, Keiko. created more opportunities for everyone. We should not reduce our quality of life. Thank you for listening. KEIKO: Good morning, everybody. I am going to speak today in favor of the proposal. Limitless air travel inside Japan is a luxury that we can no longer MR. ROBERTS: Thank you to our two speakers. Now, are there any afford. The main reason is that it is extremely damaging to the questions from the audience? environment. The carbon gases produced by aircraft are very high and are a 頭人 proven cause of global warming. Therefore, we should try and reduce air 問1 次の(1)~(5)の文について, 本文の内容と一致するものには○.一致しないも travel as much as possible to protect the environment, not only for Japan but のには×を,それぞれ解答欄に記入しなさい。 also for the whole world. Secondly, air travel is actually unnecessary within the four islands of Japan. Now, while I appreciate that travel to Okinawa is (1) Keiko's main reason for opposing domestic air travel is the damage it a different case, there are efficient train services throughout Japan that are causes to the environment. h fast and environmentally friendly. These make an excellent alternative to air (2) Keiko thinks that air travel is cheap and efficient. flights, so there is really no need to use airplanes in most cases. Finally, (3) Keiko recommends that people travel between Okinawa and mainland there is an economic reason. Air travel is expensive for passengers because Japan by ship. the price of fuel keeps increasing, but airline companies are still struggling (4) Junko thinks that climate change is not an important problem. to make profits. Moreover, regional airports often cannot attract enough (5) Junko thinks that a lot of jobs will be lost if air travel is reduced. customers, and, overall, the industry is not cost-effective, It's time to admit that air travel is too damaging and expensive to be sustainable. Thank you. 問2 次の質問に英語で答えなさい。 Which of the two speakers do you more agree with? Give at least one JUNKO: Thank you, Keiko. I am going to disagree with the proposal for three reason for your answer. (解答欄:13.8cm×4行) reasons. Firstly, I think there is a strong economic case to support flying. Many jobs depend on air travel, not just the pilots and cabin staff, but also people who work in airports or for airlines, or who rely on fast transport.

見辛かったらすみませんが、問2の英作文の添削をしていただきたいです🤲

2015年度 英語 13 They should not have to lose their livelihoods. Secondlv. although I agree 次の英文は、英語のディベートの授業での対話です。この対話を読み,下の問い に答えなさい。 with Keiko that climate change is a serious problem, I think air travel is a much less damaging source of carbon pollution than, for example, burnimg MR. ROBERTS: Good morning, everybody. Today we have the first of our Coal. We should address these more serious causes first. Finally, the most student debates. The topic this morning is air travel, and the argument is. 法 important reason is the issue of freedom. People in a democracy expect the “Domestic air travel in Japan should be discouraged." Keiko will first argue right to travel as they wish. It has made our lives more convenient and in favor of the proposal and Junko will speak against. Over to you, Keiko. created more opportunities for everyone. We should not reduce our quality of life. Thank you for listening. KEIKO: Good morning, everybody. I am going to speak today in favor of the proposal. Limitless air travel inside Japan is a luxury that we can no longer MR. ROBERTS: Thank you to our two speakers. Now, are there any afford. The main reason is that it is extremely damaging to the questions from the audience? environment. The carbon gases produced by aircraft are very high and are a 頭人 proven cause of global warming. Therefore, we should try and reduce air 問1 次の(1)~(5)の文について, 本文の内容と一致するものには○.一致しないも travel as much as possible to protect the environment, not only for Japan but のには×を,それぞれ解答欄に記入しなさい。 also for the whole world. Secondly, air travel is actually unnecessary within the four islands of Japan. Now, while I appreciate that travel to Okinawa is (1) Keiko's main reason for opposing domestic air travel is the damage it a different case, there are efficient train services throughout Japan that are causes to the environment. h fast and environmentally friendly. These make an excellent alternative to air (2) Keiko thinks that air travel is cheap and efficient. flights, so there is really no need to use airplanes in most cases. Finally, (3) Keiko recommends that people travel between Okinawa and mainland there is an economic reason. Air travel is expensive for passengers because Japan by ship. the price of fuel keeps increasing, but airline companies are still struggling (4) Junko thinks that climate change is not an important problem. to make profits. Moreover, regional airports often cannot attract enough (5) Junko thinks that a lot of jobs will be lost if air travel is reduced. customers, and, overall, the industry is not cost-effective, It's time to admit that air travel is too damaging and expensive to be sustainable. Thank you. 問2 次の質問に英語で答えなさい。 Which of the two speakers do you more agree with? Give at least one JUNKO: Thank you, Keiko. I am going to disagree with the proposal for three reason for your answer. (解答欄:13.8cm×4行) reasons. Firstly, I think there is a strong economic case to support flying. Many jobs depend on air travel, not just the pilots and cabin staff, but also people who work in airports or for airlines, or who rely on fast transport.

次の空欄に当てはまる単語を教えてください。 1. One way ( ) deforestation causes harm is by causing extinctions. (a)through what (b)by through (c)in which (d... 続きを読む

上から順にD.B.Aであってますか？

Reading Fill in each blank with a word or phrase from each group below. Since 1987, Claudia Zimmer has spearheaded recycling efforts in her small town. As the town includes fewer than 10,000 ( 1 ) community activities are typically driven by such grassroots efforts. Ms. Zimmer turned her attention to the environment after watching a documentary on landfills in the mid-1980s. From the outset., she was committed to the task, and her enthusiasm attracted several friends to the cause. They _2) recycling centers throughout the town for common items like plastic bottles and newspapers. Later, their scope expanded to include furniture, appliances, and other household items. Many electrical goods are repaired and redistributed, (_3__ articles of clothing are given to local charities. Items which can't be reused are recycled. 1.( )(A) residential (C) residing (B) residentially (D) residents 2.( )(A) brought up (C) rose up (B) set up (D) caught up 3.( )(A) while (C) since (B) for (D) after

悪影響を、英語で書きたいんですけど、まだ、習ってないし、難しいので使えません。そこで、パラフレーズを使えって言われたんですけど、悪影響を、もっと簡単な言い方ありますか？

上から順に右、左、左、右、右であってますか？

C Circle the correct form of the words in parentheses. 1. (Contributions/Contributors) from four continents write material for the trave! blog. . Its (vital/vitally) that you tell the police everything you witnessed. . In a (collective/collectively) effort, management and labor came up wvith a plan to save the company. *. Taking (legislative/legislate) action is a long process requiringthoroug analysis and deliberation. 5. Instead of placing blame, let's try to deal with the traffic problem (Constructive/constructively) and come up with a solution.

1. He was a loving husband until one day he walked out of the house and 【vanished】never to be heard from again. 2. Since interest in org... 続きを読む

B 6 Complete each sentence below with one of these words or phrases Remember to use the correct word fornm. harvest take root urbanization vanish endangered 1. He was a loving husband until one day he walked out of the house and never to be heard from again. 2. Since interest in organic food has more and more organic produce shops are opening, 3. Thanks to conservation efforts, some rebounded and are once again thriving. species have 4. In the fall, the villagers work together to gather the 5. has reduced rural populations worldwide.

答え合わせのため答えを教えて欲しいです

C Circle the correct form of the words in parentheses. 1. (Contributions/Contributors) from four continents write material for the travel blog. 2. If's (vital/ vitally) that you tell the police everything you witnessed. .na (collective/collectively) effort, management and labor came up with a plan to save the company. 4. Taking (legislative/legislate) action is a long process requiring thorougn analysis and deliberation. . Instead of placing blame, let's try to deal with the traffic problem (Constructive/constructively) and come up with a solution.

答え合わせのため答えを確認したいです

B Complete each sentence below with one of these words or phrases. Remember to use the correct word form. harvest take root urbanization vanish endangered 1. He was a loving husband until one day he walked out of the house and never to be heard from again. more and more 2. Since interest in organic food has organic produce shops are opening. 3. Thanks to conservation efforts, some rebounded and are once again thriving. species have 4. In the fall, the villagers work together to gather the 5. has reduced rural populations worldwide.