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英語 中学生

なぜ②はウなんですか?

次は,高校生の真希(Maki) と, クラスメートの一郎 (Ichiro) 夕紀 (Yuki), そして,ベー コー先生 (Mr. Baker) との授業中の会話である。 英文を読んで 1,2の問いに答えなさい。 barbecue=バーベキュー grandparents = 12 (注) volunteer= ボランティア chance = Mr. Baker Hello, everyone. Summer vacation is coming soon. What are you going to do during the summer vacation? Maki, please tell us about your plans. : 1 I'm in the basketball club, and I like playing basketball and talking with my club members very much. We'll have more time for club activities during summer vacation, so I'll do my best to become a better player. That's nice. Ichiro, how about you? 2 First, I'm going to stay with a family in Canada for two weeks. I've never been abroad, so I'm very excited. Next, I'm going to work as a volunteer in the summer festival. I did it last year, and it was a lot of fun. Third, I'll work This year, I want to enjoy talking with people of different ages. hard in the science club. I'll be I'm very interested in all of these things. busier than last summer, but I'm sure I can learn more through these experiences. Yuki, what will you do this summer? Good. I can't usually do that because I'm very busy with school activities every day. During the vacation. I'll have a barbecue with my family at home. I'm also going to visit my grandparents with my family. They'll show us how to fish in the sea. From these experiences. I hope I'll learn a lot of things. Mr. Baker: Great. Thank you, everyone. I think you should enjoy events that you can take part in only during summer vacation. Summer vacation is a good chance for you to spend a lot of time with your family, friends, or many other people. I hope you'll have a lot of wonderful experiences this summer. Maki Mr. Baker Ichiro Mr. Baker Yuki : f

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英語 高校生

②と③の回答が合っているか教えてください🙇‍♀️

Exercises Put the verb in the correct form. 1) もっと時間があれば、私たちはその日本庭園を訪れることができるのに。 more time, we could visit the Japanese garden. ~2) ぼくが君なら、その帽子を買うよ。 君に本当に似合っているから。 If we had If I were you, I would buy the hat. It looks really good on you. (3) もし君がケイトをパーティーに招待していなければ、彼女はがっかりするだろうね。 Kate would be disappointed if you not in her to the party. 4) もっと頑張って勉強すれば、 君はもっとよい成績が取れるのに。 If you studied harder, you a gost better grades. 5) もし私が奈良に住んでいたら, キョウコにもっとたびたび会えるのに。 I had met Kyoko more often if I lived in Nara. 2 Put the verb in the correct form. 1) If I 2) If Jun 3) We had been some money with me then, I could have bought the book. no cada cold, he could have climbed Mt. Fuji with us. late for school yesterday if we hadn't run to the station. 4) I were not made a careless mistake if I had had time to check my answer. 5) If I had got up a little earlier this morning, I on the train now. 3 Complete the sentences. had one. 5) I don't have much time. I wish 1) I'm sorry Mark isn't here. I wish 2) Steven doesn't have a cat. He wishes 3) I didn't ask for her email address when I met her. I wish 4) I ate too much last night, and have a stomachache now. I wish I had one. 5) It's raining, but I don't have an umbrella. I wish I had I were more time. here. (▶1) [have] [be] [not invite] [get] [meet] (▶2) [have] [not catch] [be] [not make] [be] (▶3) 63 for it then. I had so much.

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物理 高校生

・⑶についてなんで安定とわかるのか教えてください ・コリオリ力に関しては円環に束縛されているから議論が不要ということですか?

120 Part 2 109. 遠心力 運動する.さらに,この円環は,その中心Cを通る鉛直線のまわりに, 一定の角速度で回転 図のように、質量mの小球が、鉛直面内におかれた平語の円頭上に拘束されてなめらか できるものとする. 重力加速度をg, また, 円環の中心Cから円環の最下点0に向かう方向と 中心Cから小球に向かう方向との間のなす角を0 (0は図の矢印の向きを正; -m ≧0≦)とし て、この円環上に拘束された小球の運動に関する以下の問いに答えよ. 〔A〕 まず,円環が固定されて回転していない場合 (ω=0) を考える. (1) 点0から円環に沿った小球の変位の大きさが十分小さいとき, 小球の運動は点0のまわ りでの単振動とみなせる。このとき、小球の振動する周期を求めよ.ただし,角度0が十 分小さいときに成り立つ近似式 sin 0≒0を用いてよい. 〔B〕次に、円環が一定の角速度で回転している場合(ω≠0) を考える.ただし、以下の問 (2) (3) では,円環とともに回転している観測者からみたときの小球の運動について考える ものとする. (2) 角速度の大きさがある値wc より小さく,さらに, 点0から円環に沿った小球の変位 の大きさが十分小さくて小球の運動が点0のまわりでの単振動とみなせるとき, wc, お よびこのときの振動の周期を求めよ.ただし, 角度0が十分小さいときに成り立つ近似式 sin 0≒0とcos0≒1 を用いてよい。 (3) 角速度の大きさをwcより大きくすると, 円環の最下点以外の0=±0(0<br<↑の 点で小球にはたらく力のすべてがつりあう.cos , を求め, さらに、そのつりあい点が安 定か不安定かを答えよ. C 鉛直線 W 10. ......... 0 円環 小球 §2-4 慣性の法則

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