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理科 中学生

このプリントの答えがわからないので、解答を教えておしいです。

物体の運動 (m) ① 次の問いに答えなさい。 (1) 速さが一定で, 一直線上を進む運動を何といいますか。 まさつ (2) 摩擦のない水平な面で (1) の運動をしている物体に, 運動する ② 次の ] にあてはまる語や数字を答えなさい。 等速直線運動・・・ ① 一直線 (m/s) 向きに力ははたらいていますか。 しゃめん (3) 斜面を下る台車の速さは,どうなりますか。 (4) 斜面を下る台車にはたらく斜面に平行な力は、台車にはたら く何という力の分力ですか。 (5) 斜面の角度を大きくすると, 台車にはたらく斜面に平行な力 の大きさはどうなりますか。 (6) 重力だけを受けて真下に落下する運動を何といいますか。 (7) 次の文の①, ② にあてはまる語を,それぞれ書きなさい。 外から力を加えないかぎり、静止している物体はいつまでも ① し続け. 運動している物体はいつまでも ② を続ける。 (8) (7) を何の法則といいますか。 (9) 物体Aが物体Bに力を加えると, 物体Aは物体Bから力を 受ける。このような対になる2つの力を何といいますか。 1.5 1 3 距 1 2 2 20.5 1 チェック&トライ 0 0 123 4 時間 〔s] 0 1 2 3 4 時間 [s] 速さは 一定 こうりょく 一面が物体を支える力 (垂直抗力) 移動距離はかかった時間に 4 · PEBY する。 物体にはたらく重力 物体が面をおす力 7 9 月 実施日 年 理科中3 大日本図書 チェック4 物体の運動 (2) 名前 上を一定の速さ である。 ⑤ 2 つの物体にはたらく つの物体間ではたらく 1 6 (5) (6) (1) 答速線運動 (2) していない (13) 速くなる (4) (7) (9) 3点 x 10 プレ ルーキ 運動 (8) 運動 大きくなる • Tipik ① (2) [2] 2点×10. 10 で進む運動。 など。 一定の速さで走る自動車 ⑤ の力とエンジンの力は /30点 /20点 エンジンの力 日( 加。 O の力。

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理科 中学生

(2)の問題の答えを教えてください。

力の合成・分解 金属製のリングに輪ゴムを通し, 輪ゴムの端を水平な台に固定した。 図1 図1のように,リングをばねばかりで引き, リングの中心が点〇の位置に なるように静止させた。このとき, ばねばかりは1.2Nを示した。 次に, 図2のように, リングの位置はそのままで, リングを2本のばねばかりで 引き, a の角度を変えたときの, ばねばかりが示す値を調べた。 次の問い に答えなさい。 あたい 図 2 ★ (1) 力のつり合いについて述べた次の文中のあいにあてはまる語を, そ れぞれ答えなさい。 1つの物体にはたらく2つの力がつり合っているとき, 2つの力は あ上にあり. いが等しく, 向きが反対である。 図1について,次のうえの関係にある2力を,あとのア~ウからそ れぞれ2つずつ選び, 記号で答えなさい。 ⑤ つり合いの関係 ア 輪ゴムがリングを引く力 ウ ばねばかりがリングを引く力 ★ (3)図2では, 輪ゴムがリングを引く力と, 2本のばねばかりが引く力を合成した力がつり合い ます。このように, 2つの力と同じはたらきをする1つの力を何といいますか。 (4) 図2のとき, 2本のばねばかりが引く力と同じはたらきをする1つの力の大きさは何Nですか。 ★ (5)図2のaの角度を大きくしていくと, 1本のばねばかりが示す値はどのようになりますか。 次から選び,記号で答えなさい。 ただし, 2本のばねばかりの示す値は等しいものとします。 ア 大きくなっていく。 イ 小さくなっていく。 ウ変化しない。 TORATION- ★ (6) 図3のように, 2本のばねばかりの間の角度を120度にしたとき, 1本のばねばかりが示す 値は何Nですか。 ただし, 2本のばねばかりが示す値は等しいものとします。 え 作用反作用の関係 イリングがばねばかりを引く力 輪ゴム 図3 リング ばねばかり (1.2N) 120°

未解決 回答数: 1
英語 中学生

⑦に入るのが、four hoursなのですが、何故ですか! 教えてください🫶

A year later, Kabbu was sitting with Ullu and talking about the good old days. Just then they saw Bony. He *hurrying somewhere. 40 was Ullu: What happened, Bony? Where are you going? Bony: I heard there was an *accident near Leo's house. I am going there. Kabbu: Accident! Let's go! They hurried as fast as they could and saw Leo. He was walking around *worriedly. Leo: My son fell down from a tree and hurt his head. He needs an *operation by Dr. Large, the best doctor in this forest. 15 Ullu: Why don't you send him an e-mail? Leo: I can't. There has been something wrong with my computer since last night. We have [way/ come/ask/to/no other/him] here. We will have to wait about three days to *repair it. But I can't wait so long. My son needs an operation right now! Kabbu: That's no problem, Leo. I will go and bring Dr. Large here. Leo: Really... w... will you go right now? Kabbu: Of course! Until last year it took from here to Dr. Large. But Leo, this is an *emergency! I'll bring Dr. Large in half the time. He was right. Four hours later, they saw Kabbu and Dr. Large. They were flying in the sky. They looked very tired. Soon he began to operate on Leo's son. Leo: How's my son, Dr. Large? Dr. Large: 8 about/is/there/to/worry 1. Your son is all right. You should thank Kabbu. I think he has done a great job. I was at home when he appeared in front of me. He didn't give me any time to think about it. I said to him, "You have just arrived after such a long and hard trip. Take a *rest for one or two hours and then we'll go." But he didn't agree. "No, Dr. Large. There is no time to lose," he said. Later... Leo: My dear friend, Kabbu, I don't know how to say thanks to you. You are so kind to me and my family. You lost your job because of the Internet, but you didn't feel angry with me and saved my son's life. New technology may make life easier and give us more fun in many ways, but sometimes it may not be useful and sometimes we can't depend on it. I've learned that your power to help others is greater than the power of any computer! - a second - concern price useless 役に立たない worriedly 心配そうに operation i emergency STE (ZE) probably < technology #### electronic mail efficiency chance 4 depend on ~ ~に頼る accident # after all やはり hurry 急いで行く wrong with 〜の調子が悪い repair ~を修理する operate on ~ 〜を手術する rest k

解決済み 回答数: 1
英語 中学生

⑦に入るのが、four hoursなのですが、何故ですか! 教えてください🫶

A year later, Kabbu was sitting with Ullu and talking about the good old days. Just then they saw Bony. He *hurrying somewhere. 40 was 15 Ullu: What happened, Bony? Where are you going? Bony: I heard there was an *accident near Leo's house. I am going there. Kabbu: Accident! Let's go! They hurried as fast as they could and saw Leo. He was walking around *worriedly. Leo: My son fell down from a tree and hurt his head. He needs an *operation by Dr. Large, the best doctor in this forest. Ullu: Why don't you send him an e-mail? Leo: I can't. There has been something wrong with my computer since last night. We have [way/ come/ask/to/no other/him] here. We will have to wait about three days to *repair it. But I can't wait so long. My son needs an operation right now! Kabbu: That's no problem, Leo. I will go and bring Dr. Large here. Leo: Really... w... will you go right now? Kabbu: Of course! Until last year it took 7 *emergency! I'll bring Dr. Large in half the time. He was right. Four hours later, they saw Kabbu and Dr. Large. They were flying in the sky. They looked very tired. Soon he began to *operate on Leo's son. Leo: How's my son, Dr. Large? Dr. Large: [ about/is/there/to/worry 1. Your son is all right. You should thank Kabbu. I think he has done a great job. I was at home when he appeared in front of me. He didn't give me any time to think about it. I said to him, "You have just arrived after such a long and hard trip. Take a *rest for one or two hours and then we'll go." But he didn't agree. "No, Dr. Large. There is no time to lose," he said. Later... Leo: My dear friend, Kabbu, I don't know how to say thanks to you. You are so kind to me and my family. You lost your job because of the Internet, but you didn't feel angry with me and saved my son's life. New technology may make life easier and give us more fun in many ways, but sometimes it may not be useful and sometimes we can't depend on it. I've learned that your power to help others is greater than the power of any computer! (E) probably < efficiency ** chance i after all やはり wrong with ~ 〜の調子が悪い operate on ~ 〜を手術する rest from here to Dr. Large. But Leo, this is an hurry 急いで行く electronic mail technology #### depend on ~ ~に頼る accident ~を修理する repair 下線部の日本語を英文にしなさい。 - price worriedly 心配そうに emergencyA** a second R concern useless 役に立たない operation Fi 心配

未解決 回答数: 3
英語 中学生

⑦に入る2語を答える問題です! 答えがfour hoursなのですが、なぜそうなるのですか?私はeight hoursだと思いました!!

10 15 20 5 6 次の英文は Olango という森の中にあるいくつかの村に住む動物たちの対話です。 これを読んで、あとの問いに えなさい。 Ay 40 was ' Kabbu is head of the Post Office of Olango, a forest. Many kinds of animals live there. Kabbu and his tea carry letters all over Olango and to other forests. Kabbu's Post Office is very popular among all animals there. Ullu: Why are you so sad? Kabbu: *Probably we'll have to lose my job. Have you heard of the Internet? Ullu: Have humans planned to catch us with a new kind of net? Kabbu: No, no. I hear the Internet is new *technology. All the computers can talk to each other through the Internet. We can talk with everyone around the world by a computer. Leo has the newes computer. He is always using it. He has also made many friends through the Internet and talk with them for hours. Ullu started to think about the Internet after he listened to Kabbu's long report about it. Ullu: Tell me, Kabbu, why will you have to lose your job because of the Internet? Kabbu: Leo is now sending e-mails all over Olango and to other forests. He says everyone in this village will be able to use his computer and send e-mails from his computer. Now, if everyone starts sending e-mails, ① 私たちはどうすればよいのかわかりません。 45 Ullu: Wait, wait. Now what is 'e-mail'? I haven't heard of it. Kabbu: It means *electronic mail'. It is used to send every kind of letter from one computer to other computers through the Internet. It takes only *a second and it is almost free. Ullu: I can't believe it. Kabbu: It is true. So I am very sad and worried about it now. With a sad face, Kabbu flew away. Kabbu was the oldest animal in Olango and was respected a lot by Leo Ullu decided to go and meet Leo and talk with him. At Leo's house, Leo was sitting in front of his computer. Ullu: Leo, can you give me a few minutes? I have to talk about something important. Leo: What is it? Ullu: It is about Kabbu, but I think it may be about all of us. Leo: OK, tell me about it. Ullu: But Leo, I think 50 55 1 60 Ullu told Leo about Kabbu. Leo: Well, Kabbu's *concerns will be real. We usually think high speed and *efficiency are very important, so there is little *chance for old ways. I can send a message in a second through the Internet. But Kabbu and his team need a few days to carry one. Why should I *depend on them? And the *price of their mail is much higher than the price of e-mail. Ullu: But, Leo, what will happen to Kabbu and his team? Leo: They will have to 3 The Internet will become more important in the future and e-mail will be one of the most useful things. 4 trains in the future." But now, "No one will go to see a movie." But both... Leo: You may have a lot of things to say about it, Ullu, but soon e-mail will make Kabbu's mail *useless. Kabbu and his team should start looking for other jobs *after all! For example, when a plane was invented, people said, "No one will see trains still continue to run. When a TV was invented, everyone said.

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