（1）で赤マーカーのとこはなんでθだとわかるんですか？

156円錐容器の内側での等速円運動 知内面がなめらかで すりばち形をした器の中で、質量mの小さい物体がすべりなが ら、水平面内の等速円運動をしている。 円錐の母線が水平面と なす角を0, 重力加速度の大きさをg とする。 (1)円運動の速さと軌道の半径rの関係を求めよ。 (2)この円運動の周期Tをg,r, 0 を用いて表せ。 (3)円運動の速さを2倍にしたとき,円運動の周期は何倍にな るか。 作図 157 ターンテーブル上の物 平成 例題 35,170,175 6

この式ってどういうことですか

x tan 45° = BC 95 塔のある地点をCとする。 PC=x (m) とおく。 △PBCにおいて Osnia 0205 P I 200 ++ よって BC=x 1°05'08 (0 30° ゆえに AC=20+x+020A20mBames Cos △PACにおいて, PC=ACtan 30° であるから COS 1= 1 x= (20+x) ・ √3 .H¶ よって √3x=20+x 20 整理して(√3-1)x=20 20√3+1) 20√3+1) ゆえに x= = √3-1 (√3-1)(√3+1) oe 3-1 =10(√3+1) omi したがって, 塔の高さは H 10(√3+1) m 2 300nia 3501 820

赤線は本文の何をさしてますか？？

In 2020 people celebrated the 50th anniversary of Doraemon's debut. This robot cat has been loved not only by Japanese people but also by many people all over the world. He was appointed Japan's anime ambassador in 2008 because he had been playing an important role in promoting Japanese anime culture. Although Doraemon is an imaginary robot, Japan is proud of its real robots. In fact the country has led the world in the development of robotic technology for decades. It is the technology used to develop industrial robots for manufacturing. Japan has exported a large number of such robots all over the world. Japan is also famous for developing unique humanoid robots such as ASIMO and Pepper. Both robots stand upright but ASIMO can walk on two feet while Pepper can read emotions.

共通して当てはまる単語が何か知りたいです。🙇‍♀️

(i) unaffected by a particular disease because of either preventive measures or inherent resistance: The vaccine made them (i) to the disease for life. (ii) protected from punishment or legal action due to special status or privilege: The ambassador was (i from prosecution under international law.

かっこに入る単語を教えてください🙇‍♀️

(i) unaffected by a particular disease because of either preventive measures or inherent resistance: The vaccine made them (i) to the disease for life. (ii) protected from punishment or legal action due to special status or privilege: The ambassador was (i from prosecution under international law.

これってどうやって計算するのですか。 教えてください。 2段目の式です。

135 ■指針■ (3) (6) 微分する前に式変形して簡単 してから微分すると計算が楽である。 (1) y'=2sin3x (sin3x) 2sin 3x3cos3x=3sin6x cimbalcos5x)、

2つのかっこに共通する単語を答える問題です。わかる方お願いします。

unaffected by a particular disease because of either preventive measures or inherent resistance: The vaccine made them (i) to the disease for life. protected from punishment or legal action due to special status or privilege: The ambassador was (i) from prosecution under international law.

12ってなぜwhatじゃなくてwhichがはいるんですかね

I am a crier. I cry when nice or sad things happen to someone real or fictional. I cry when I see others crying. I cry pretty easily, 12 is embarrassing, especially when it's in public. I cry my hardest when something is about to end, particularly on the last day. I once started sobbing at a Japanese airport immigration counter as I handed over my residence card for what I thought was the 13 time. I'm not sure how much of my speech he understood between my sobs, but he managed to force out an awkward smile as he received my card with both hands. gote uns On the last

解説に高さが7cmの正四角柱を考える。とあるのですかどういうとですか？

⑤〔問2] 19 立体ABCDEFGHは、1辺の長さが6cmの立方体で、 い Mは辺BFの中点である。 辺CG上に点Pをとり、点Mと点Pを結ぶ。 CP=1cmのとき3点EM.Pを通る平面と 辺DHとの交点をQとした場合を表していて、 DQ=4cmである。 6つの面EMPQ、ABCD、EMBA、EQDA、MPCB.QPCDで 囲まれた立体の体積は何cm²か。 A B 1 C M 4 E P G D Q H

これの5番ってなんで主格の働きをしているとわかるのですか？

③次の各英文中の関係代名詞がその節中で主格の働きをしているか、目的格の働きをしているか考えてみよ う。 主格の場合は「主」, 目的格の場合は「目」と答える。 I. I found a classmate in the magazine which that I bought yesterday. 目的格 2. Mr. and Mrs. McDonald have two daughters who are both vets. 格 3. The animals which / that carry their young in a pouch are found only in Australia 格 4. The old man who we helped carry his bag was Kimbalee's grandfather. 目的格 主格 5. Jack was walking with a girl who he said was his cousin. that ←これになる 主語がない。