Mathematics Senior High about 2 monthsago 270 (1)から(3)について、θの図での表し方がわかりません。数Iの時にやった三角比の値を使えばいいのでしょうか。数Iの三角比の角度と数IIの三角関数の角度がごっちゃになってしまっています。使い分けを教えていただきたいです。(どういう時に使うのか) 解き方もお願いしたい... Read More 問題 270* 0≤02 のとき,次の方程式を解け。 1 (1) sin0=! 14 √2 k 0 一 (3) tan0 + 1 = 0 tanQ=-1 y x=1 D 450 (2) 2cos 0=1 COSO >0200 ($) 教 p.130 例 9, p.131 例 10 2 x { 20 STS <nia *(I) VA 数丘-19 Resolved Answers: 1
English Senior High about 2 monthsago 2.3の見分け方が分かりません。 特に3の見分け方が分かりません💦 2. We are / have been / will be here since the beginning of August, 3. “Have you exer seen that movie?” “Yes. When I was in Tokyo / 1 (had seen/ 161,2377 or are have seen saw it three times." f か → 1=44 やつの現、充分からんったそれより わわわつのある (各2点) Resolved Answers: 1
English Junior High about 2 monthsago かっこの中に入るのは何でしょうか?教えて欲しいです🙇♀️ Since it was raining heavily, we decided to ( ) our picnic until next week. A hold B cancel C postpone D finish E prepare Resolved Answers: 1
Physics Senior High about 2 monthsago (1)です。垂直抗力を求める問題で重力と垂直抗力が単体で現れてるのはなんでですか?重力があっての抗力ではないんですか? |知識 59. 円錐面内での等速円運動 図のように、 内面がなめらかな円 錐形容器が、 中心軸が鉛直方向と一致するように、頂点を下にし て固定されている。 頂点を原点とし、 鉛直上向きに軸をとる。 z軸と側面とのなす角 (半頂角)は0である。 円錐形容器の内側の 面上にある z=ZAの点Aから、 面に沿って水平方向に、 質量mの 小球を速さで打ち出したところ、 小球は一定の高さを保った 2 ZAA ZAR o 10 まま等速円運動をした。 重力加速度の大きさを!とする。 大○ (1) 小球が容器の面から受ける垂直抗力の大きさを、mg、 0 を表示 z=0) 用いて表せ。 には、能力、垂直抗 (2) 等速円運動の向心力の大きさを、mg、0を用いて表せ。 (3)g を用いて表せ。 (4) 等速円運動の周期を、ZA、g、0を用いて表せ。 例題1 ⑤ヒント (1) (2) 小球は、重力と垂直抗力を受け、等速円運動をする。 水平面内を運動するので、垂直抗 力の鉛直成分と重力はつりあっている。また、 向心力は水平面内での円の中心を向いている。 Unresolved Answers: 1
Mathematics Senior High about 2 monthsago 数3の微分についての質問です。(2)で、なぜdy/dxが接線の傾きになるのかがわかりません。 第4章 微分法の応用 重要例題 接線と法線 泉 泉 (1) y= 53 次の曲線上の点Aにおける接線と法線の方程式を求めよ。 3x x+2 (2 x2+3y2=6A(√3,-1) A(1, 1) (3) x=2(0-sine), y=2(1-cose) E CIAは0= π (A6-12/7に対応する点) ポイント 1 接線の傾き=微分係数 1+x +1 ポイント② 法線……… 接線に垂直。 (d-pas++ mil Unresolved Answers: 1
English Senior High about 2 monthsago (2)は私が書いた答えではなぜダメなのかおしえて欲しいです Pu Would 2) あなたはその角を左に曲がるべきではなかったのに。 (& S-S かつて 海の近くに住んでいた tonight? .blow eldetive. srti at the corner. Resolved Answers: 1
English Junior High about 2 monthsago 正しい英文を2つ選ばないといけないのですがどなたか教えて欲しいです。お願いします。 J. This is the only book I have found it which contains the latest information. 1. The number of students who want to study abroad are increasing these days. . He is the very person that I have been looking for since I lost my way. I. Most of the furniture in this room were made by my grandfather long ago. *. I have two brothers; one is a doctor and another is a lawyer in London. . Do you know the reason why he was absent from the meeting yesterday? Resolved Answers: 1
English Junior High about 2 monthsago 正しい英文を2つ選ばないといけないのですがどなたか教えて欲しいです。お願いします。 J. If I had had enough time then, I could have finished the task easily. 1. What a beautiful day is it today to go for a drive to the seaside! . A ten-minute walk brought us to the lake located at the foot of the mountain. I. It is very kind for you to show me the way to the station in the rain. *. She is one of the students who has won the first prize in the contest. . I am looking forward to see you again at the party next Saturday night. Resolved Answers: 1
English Senior High about 2 monthsago カッコの中の英語を適切に直して欲しいです。よろしくお願いします。 6 Complete the sentences using a comparative or a superlative. Use less / least or more / most and add the or than where necessary. There were parties every night. It was (noisy) street in the city! 2 They like staying in (unusual) accommodations that they can find. 3 There's usually no one there. It's probably 4 (crowded) place in town! (good) memory I have is the night we camped on the beach. It was amazing! 5 I was shocked by the campground's prices! It (expensive) the hostel. was 6 Washing in cold, salty water was (bad) being dirty. Waiting for Answers Answers: 0
English Junior High 2 monthsago 間違っている英文を3つ選ぶのですが、7 の他にあと二つがわかりません😭どなたか教えてください🙇♀️ 1. 2. 3. 4. 5. 6. 7. 8. I am sure that he will be able to solve the problem by himself. If I were you, I would tell the truth to your teacher right now. My father told me that the sun rises in the east every morning. It is one of the most interesting book I have ever read in my life. She has been lived in this small town for more than twenty years. This computer is much more expensive than the one I bought last year. I am looking forward to see my friends at the school festival next week. The song which was sung by the singer became very popular all over Japan. You should finish your homework before you go to play soccer in the park. 10. He is too busy to help us with the heavy boxes in the classroom. Resolved Answers: 1