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English Junior High

どうしてもお願いしたいです。お願いします。こう言う文全然わからないんです。答えをお願いします。できれば解説もあるとありがたいです。

2 次の中学生の敏夫 (Toshio)と雅子 (Masako)と留学生のボビー(Bobby) の夏休み中の会話文を読ん で、あとの問いに答えなさい。 Bobby: Hi, Toshio. Our city has the Himawari Festival for three days every August, right? Masako told me about it. That's right. I go to the festival every year. Toshio: Bobby: Toshio: Bobby: Toshio: That's nice. So, you went to the festival on August 21, right? (B) Right. Bobby: So, the festival won't start on Toshio's birthday this year. Masako: Right. I will go with my brother on the second day this year. The music club in our city will have a concert. They will play music from 10:40 to 11:00 in the morning. Their performances are wonderful. My brother and I enjoy their concert at the festival every year. We love music. I play the flute, and he plays the guitar. Bobby: Sounds nice! I love music, too! Toshio: Bobby, you play the piano very well. Last Thursday, I listened to your piano performance at your house. I really enjoyed it. And your brother plays the violin, right? Yes. My father plays the violin, too. And my mother plays the piano. Everyone in my family loves music. Then, let's go to the Himawari Festival together and enjoy the concert! Can your family come? Bobby: (C) How about you, Toshio? Toshio: Well, the second day is Saturday this year. You know, I'm on the school baseball team. We have practice every Saturday, so I can't go with you. I'm sorry. I will go to the festival with my parents and my sister on the first day. Bobby: Masako: Who do you usually go to the festival with? (A) With my parents and my sister. Every year, we join the festival on the first day. Last year, it was on my birthday, so my sister bought a nice bag for me at the festival. Masako: OK. Bobby: Well, can we enjoy any food at the festival? Toshio: Sure. You can eat your favorite food there.. Bobby: My favorite food? Do you mean my favorite Japanese food? Toshio: Yes. Guess what. Bobby: Toshio: (D) Well, is it sushi or sukiyaki? No. Masako, you said that you had it with your family last Sunday. Masako: Oh, I had yakisoba for lunch and oden for dinner that day, but we can't eat oden at the festival. We can eat () at the festival, right? Right! You can enjoy it at the festival! Bobby: Toshio: 5 10 15 25

Unresolved Answers: 1
Physics Senior High

高校物理過渡現象の問題です。 (6)の考え方は一通り理解できたつもりなのですが、二つのコンデンサが等電位になっているのに、電流が流れ続けるのが少し引っかかりました。図cを見る限り、電位差がなくなった後、コンデンサ3に電流が流れ込みいっぱいになったら今度はコンデンサ2に電流が... Read More

法則ⅡIより / Vo+VL-0=0 よって VL=-12/Vo *B コイルに加わる電圧の大きさは 1/2vo AIL Vo (5) VL-24 だから12/2014/1 4t よって 12 4t 2L また、自己誘導が電流の流れを妨げるから、 電流は 0 AIL (6) コンデンサー C3 に流れこむ電流Icの変化は, 電気振動で示されるから, ス イッチ S2 を閉じた時刻を t=0, 電流の最大値を IM として, 図cのように表 される。 直列回路より電流は共通であるから, C3 に流れこむ電流が最大の とき, コイルに流れる電流も最大となる。 電流が最大のときは電流変化が 0 よりコイルの電位差が0であるから ※C, C2, C3 の電圧は等しく、その電圧 をVとすると, 電気量の保存より 12/23CV +0=CV+CV よってV=1/2vo ゆえに,C』に蓄えられている電気量Q3は Q321/Cro エネルギー保存より 1 c. (v.)² +0=1 c · (v.)³×2+LIM² LIN²=12/2CV32 よってIw=1/12/0 C 4 L L 12/12/10 =1/12/0 +CV. C₂ 1/12 Cro 図 d Ic IM O m VL 図 b ◆B コイルの左側が高電 位となる。 12/12/0 o(E C30 +CV C2 -CV 0 C3 *C V₁=-Lt AIL 4t fi 図 c AIL -= 0 だから Vi=0 L IM 図e C3 +CV V: -CV 物理重要問題集 151

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