【途中計算】教えてください 2時間かけても解けません。気が狂いそうです。

X v=Mlpinoot 保存の法則より x軸方向:mvo = mucos 60°+ MV cos 30° - po co 60 y軸方向:0=m sin 60°MV sin 30% in 60xSimm300 ひ 1 この2式を連立させて解くと, v= Vo, V= 2 1/3m 2M ~DM = MO PM The $66 Vo 21 (1) 0.50 (2) 3.05 (3) 直前の速さ : 9.8m/s, 直後の速さ 4.9m/s (4) 3回目 指針 反発係数の式より, 衝突直後の速さは衝突直前の速さの倍に なる。 説 (1) 1回目に床に衝突する直前、直後の速さをそれぞれ vo〔m/s], v[m/s] とする。落下するとき､下向きを正として, 201²2gyより, しょうとつ v²-0²=2×9.8×19.6 ゆえに =V2×98×19.6 (v<0は不適) 1 [

このwhichは何を先行詞としてますか？ 文法を詳しく教えて欲しいです

A cat's home range has no specific boundaries; it is simply the area within which there are a number of favorite places which it regularly visits, plus a network of pathways which it to get to them. Country cats may range over as much as sixty acres. Suburban and city cats are much more restricted because of such (イ) as streets and buildings. (ア)

文法問題で答えがなくて解答がわからないかのですが、【青い線】の部分どなたか教えて欲しいです。それと赤い線の部分はあってますか

18 1. I will be flying to Lon 2. About 200 students will be coming to the welcome ceremony 3. I will be doing my best to act as a bridge between the cultures of Japan and Europe. →p.13, 1.14 4. Our new ALT is to arrive at Narita Airport today 5. Later I was to start my own kyogen troupe with my fellow performers/ P.11.13 主節の時制がたのは昔。それに続く従属節の時制も、基本的には過去または過去完了になる. 1.1 don't really understand what they are saying. →→ I didn't really understand what they were saying. →p.10, 1.8 2. I know that Meg moved to Sydney. →I knew that Meg had moved to Sydney. # 3. I think that Josh will come soon. → thought that Josh would come soon. would G±Ð¹5**) Exercises Fill in the blanks and complete the conversations. 1. A: Ken, I heard you are going on a date with Allie. B: Yes. We (Will) be ) (watdinga movie together this time tomorrow. [watch] 2. A: Did you hear that Kate and Tom are getting married? B: Yes. They ( ) ( have their wedding next month. 3. (You are going on a trip next week. Talk about where you will go and what you will be doing there by following the example.) Example: I'm going on a trip to Guam. This time next week I will be lying on the beach. 2 Change the word into the correct form and complete the conversations. 1. A: Jane went to that new Italian restaurant, didn't she? What did she say about it? B: She said its pasta dishes (are) very good. were 2. A: I was surprised that Bob won the swimming race. B: Were you? I thought he (will) win it! would 3. (Talk about what you wanted to be when you were a child by following the example.) Example: I wanted to be a pastry baker when I was a child. That is because I though- could eat cake every day.

高1の時制の分野です 6と8なんですけど、なぜこの答えなんですか？ 現在形に未来の意味もあるんですか？ willやbe going to使わないんですか？

40²1 = 11/03/1kg ? SE 13 各文の( )内の動詞を適当な時制の進行形にしなさい。 (221~3) 1) I'm busy now. I am doing my assignment. (do) 2) Ken was studying when I called him. (study) was sharing 3) It when you reach Hokkaido. (snow) 4) We met Lucy in the computer room just now. snowing She was writting an email. (write) chotling 5) Don't bother me. I am co am pasta. (cook) on a business trip tomorrow. (go) 7) Anna was drawing pictures all the time when she was a kid. (draw) ? *61_ am going 6) I 18) Tom was attending the meeting, but it was canceled. (attend) 3) whe 表す 来の (rea 5) ba pa 6) g t

数3、媒介変数です🙇‍♀️ 答えは同じになるのですが、記述等ではじかれそうな気がします(>_<) この考え方がダメな場合の理由を教えてほしいです

極方程式で表せ (3) y=x Asimo = Xcoso sina = cosa TC Q = IC 4 すなわち ACOSO +25111 (3) x=rcos0,y=rsin0 をy=xに代入する rsin0 =rcos0 すなわち ncossin0)=0 よって r = 0 または tan01 002 とすると, tan0=1から 5 π 0= = または 0 =- ~22 r=0 は極を表す。 また、①の2つの極方程式は同じ直線を表し 極を通る。 したがって、求める極方程式は 0= π 4 ここで約分するのはだめなのでしょうか? (また または 0 3 == 1 など)

英語、塾まであと10分だから助けて( ¯−¯ )

13 定着 基本文③ 次の英文がなりたつように, (1) People call Ken-chan. (2) His performance made (3) Mr. Ito gave (4) Their efforts に適する語を( (he, his, him, himself) excited. (they, their, them, theirs) (we, our, us, ours) (come, keep, give, take ) に適する語を書きなさい。 a lot of homework. the city clean. 4 定着 基本文③ 次の日本文にあう英文になるように, (1) 人々の前で話すことは私を緊張させます。 in front of people (2) 多くのよいコメントがその歌手を有名にしました。 Many nice comments the singer (3) みんなが彼女をプリティ・キティと呼びます。 Everyone (4) ボランティアの活動が町を美しく保っています。 Volunteer activities the town Pretty Kitty. 内から選んで書きなさい。 □ 意味も確認しよ 5 定着 基本文 ③ 次の日本文にあう英文になるように, ( )内の語(句) を並べかえなさい。 (1) その本は彼女を作家として有名にしました。 The (famous/as/ made/book / a/writer/ her). (3) 5人の子供たちがスミス夫人をいつも忙しくしています。 (Mrs. Smith / always/ busy / children / five / keep). nervous. (2) 私は妹に誕生日ケーキを作ってあげました。(cake/a/my/made/ birthday/I/ sister). (4) その物語を読むとあなたはとても悲しくなるでしょう。 ( sad / will / the story / very/you/reading/make) .

大きな3番の動名詞を用いた表現に書きかえる問題なのですが、書きかえた際に何の前置詞をつけたらいいのかわからないので教えて頂きたいです。

文法 2 1~3の不定詞の副詞的用法と同じ意味の不定詞を含む英文を1つずつ選びなさい。 1. In order to find an answer, he went over to a country in South America. 2. I'm glad to answer any question. Anything's all right. 3. He grew up to be a fine gentleman. 1. ① I called her, only to find that she was still angry with me. I am happy to hear that you passed the test. ③3 Liz stepped out of the bed to answer the phone. 13 動名詞を用いた表現になるように空所に適語を入れなさい。 Rosa complained that she had to wash so many dishes. Rosa complained ( ) ( ) so many dishes. The basic idea behind "ecology” is the simple idea that we should not waste anything. The basic idea behind “ecology” is the simple idea (ed) ( anything. 3. He is proud that his father is a good cook. He is proud ( )()( 2. 作文 日本語の意味になるように、( )内の語(句) を並べかえなさい。 1. 彼らは海外で商品を販売することが難しいとわかった。 They (difficult / found/ have / it / sell / their goods / to abroad. 4 2. 彼はとても幸せそうに見えた。 He (be / seemed / to very happy) 3. 【目標時間5分】 ) being a good cook. 私はエジンバラへ行くために国内線に乗り換えなければす I (a domestic airline ab (245) ) wasting 【目標時間 8分】 di monet spare nà (各5点) 1947

赤線の部分の訳と文構造が分かりません。 見ずらくてすいません🙇‍♂️

truly become between two independent individuals who fell in love and decided to make a life Such an important decision, perhaps the most important for themselves. decision of one's life, cannot be made by others. (1) sense. Marriage is But in many cultures it simply doesn't make fundamentally a social bond, uniting families and cementing their cultural and (イ) religious values. It may be romantic, but it is not just about the bride and groom; it's about family and community. Indeed, even in the West for most of history, marriage was not primarily about the individual needs and desires of a man and woman and the children they produced. Marriage had as ( ) to do with getting good in-laws and increasing one's resources and family labor force as it did with finding a lifetime companion and raising a beloved child. or Marriage spoke to the needs of the larger group. 3 Different traditions, different marriages. In India, over 90 percent of the (2) bemarriages are arranged. One survey in 2013 revealed that 74 percent of young 9 Indians aged between 18-35 years said that they would rather let their parents ad choose their life partners than choosing themselves. While the traditiona practice of arranged marriage has been illegal in China since the 1950s, parent remain heavily involved in their children's marital decisions, with many paren trying hard to persuade their children to get married by interrogating the (13) during family gatherings. In Japan, it was not until the early 1960s that le marriages outnumbered arranged ones. Arranged marriages can take a variety of forms ranging from fo marriages (where either the bride or the groom, or both, have no choice in matter) to consensual marriages (where the bride and groom have all 002 - 1

英語 高校 赤線itが示すものを教えてください！ 番号をふったので回答する際記載してくれると助かります🙏よろしくお願いいたします🙏

In addition, as a type of mental stimulant, caffeine increases alertness, memory, and reaction speed. 5. (6 Because it fights tiredness it improves performance on tasks like driving, flying, and solving simple math Ot 5 problems. It is true that caffeine can increase blood pressure, but the effect is usually temporary and therefore not likely to cause heart trouble, especially (thus) if caffeine is consumed in sensible amounts. 8 Caffeine's effects are real, but most often mild. 10 This is why many of the most popular drinks on earth contain caffeine.

この解き方で合ってるか教えて欲しいです。

(5) sine-cos012/2のとき、sin 0 cos0, sine + cose の値をそれぞれ求めよ。ただし 0°<θ<90°とする。 験合格レベル問題集 1