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【1 】As shown in Figure 1, here ame an object Aof mass AZ B ofmass 7 and Cof mass r On a smooth and horizontal surfce. A and B mre inlerconnected by a spring. The Spring has the naumi lcngth of / and a spring constant た A。 B, and C are on one straight Hime and can move along the stmight line. Tuke the right direction as positive fbr velocity Neglect the mass of the spring and air resistanee 国1に示すように, 水平でなめらかな台の上に質量 /の2つの物体 A, Bと質 基wの物体Cが静止している、A と Bはばね定数たで自然散7 のばねで結ばれ てでいるAB,Cは一直線上にあり, この直線上のを動くものとする. 速度の 向きは図の右向きを正にとるものとする. ばねの質基と空気抵抗は無視できる. (①) A and B are oscillated symmetically so ss for center of mass of A and B imtereonnccted by a spdng to be fixed. Find 7, the Gimc pcriod of the oscillgtion. ばねで千ばれた A と B の重心動かないように, A とB の重心に関して左右対 -称に振動させた場合の周期了を求めよ. Next A and B are atrest. The length of the spring is the natural length / で moving speed yo collides perfect-elastically with A. It is assumed that A and C are rigid, the coHlision occurs very shortly and the displacement during the colision is neglected Moreover iis also assumed tbat after the collision。 A snd C do not have nother の 次に, A と B をばねの長さが自然長 7 になる位置で静止させて, C を左から y の速度で A に衝突させる. この衝突は完全弾性衝突であり, かつ物体が非常に かたくて衝突は極めて短時間に行われ, 衝突中の変位の大きさは無視できるも のとする. さらに, Aと Cは一度笑突した後再びぶつからないものとする- の Find tie velociies yand ycofAand Cimmediaedy Ner he colison。 respectiweiy 衝突直後の A と C の速度w vcを求めよ. ⑬) Find the velocity yoof the cemlerofmassofAand B using が6 and ye 衝後の A と B の重心の束度woを44を用いて表せ (④ Find mc minimum lengtb ofthe pcng sferthe colision ing ヶ。 4 we かた 衝突後, Aと B が最も近接したときのばねの長さを ヵ, 7 w。 4を用いて表せ。 も Hi

東京理科大の過去問です 次の2文には、共通の一語が不足している 正しい文を書け ⑴ After they had read the two novels, they could decide which was more moving. ⑵ Will you do me... 続きを読む

適切な形に直すには、どこを見れば良いのかわかりません… 教えてください！

じて適切な形にして, 全文を書きなさい。 形を変える必要がなければ. when | met herin the park the movie yesterday, lt was Very moVin9. *moving [感動的な]

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現在分詞か週去分記を記び、 本剛にINしなさい。 ツガ8 9 4 rl was sitting on the bench with 宙 1egs [ crossing / ) sleeping on the chair with his arms [ folding / folded ]. ys talks with his hands [ moving / moved | hed the movie with tears [running / Yun ] down her

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IN の作還生生をOで還みなさい、 (学習書p.7ーp.14 参照 1. 車はバイクよりゃ高い。 Acarie (1.expensive 2 me opyhm 8. the most expensive) than a motorbike. 2. これは世界で最も優雅な祭りです。 Thim smore dlegant 2dhemore eeent aa metekeenO 60HOSLHDS 3. 富士山は阿菊山よりも高いです。一 MEFujiis (1more high 2higher/ 3.the highest) than MtAso [31 に適切な語を入れて, 英文を完成させなさい。( ) で指定した語数で答えること 1. ジャックはそのマンガを読み終えました。 (学習書 p. 17 参照) Jack finished _ _ themanga. (1語) 2. 気温はマイナス 5度に下がりました。 (学習書 p. 10 参照) MDBIEGHDBRRIUHEG計mp やや>や=や= tominusfve.《2同) 3. 私はいろいろな人たちに会っています。 (学習書 p. 20 参照) Thave met various ofpeople. (1語) 1

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) studied abrond yh em )oeveo der Ga ae ⑨De ③seem ④ seems 較語re prh(atDI 5 Dpe のam Os のcam 2 ) ppe up mereportfor or Pom 0 giherJane or1( のmwe のhs must のwil 9 pposed to take another tes ) su 3 7omas wellas1( Dare ⑨am ⑤j already in the moving Yan,and the only thimg lee ae | Actctthoi furmiture were 男|achandelier 中 000 tro dhirds of the people awas gathering around the Iitle gr egm the bench. ー = | "Thirty percent ofthesum( )paid. ①have ②was ③were ④would pp 2 き 人 間 NN fs @7Meeae のmis のrwouu 1

this animal spends almost all of the day hanging from or lying on a branch without moving much. と some animals have evolved to become fas... 続きを読む

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(エンター試験) 3 R 6 ) are you moving the furniture for? ① Whar @⑨ How @⑨ Where @⑨ why ブー ) youre so late2" “Because I got Iost on the Way" (直山大) @④ How about ② How come ③ What about ④ What do you say が 希 ) do you jke your new teacher? (拓多大) ③ How ② Who ③ Which ⑨ What 2 "This js my new dog. Hs name js Wisdom. "Tats interesting. Why ( ) did you give him such a nameか のmmheeah 。 ②jmnword ③ on earth ⑨ on the word (エンター試験) 10. ) abour going on 4 hike "Thaes a good idea.” (センタ - @⑥ How ② When ⑨ Why @⑥ Which '二 11. fnd ir ve qdWcult to sleep* ) dontwyou ty Counting sheep ① How @ why ③ No ⑥④ Please ド

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For the first time ever, scientists have captured thought on video in real 員 t looks like a pink and purple grain of rice zipping around a large Dur- le 部 Really, that grain of rice is a thought moving around in the brain a zebrafish. Researchers at the National Institute ef 人Qene08 in Japan picked。 the brafish for this study because it has a see- -tbrough body By が the nes ofe zebrafish larvae, scientists can make certain parts of the fish glow ith Huofeseence. Since neurons in the brain use calcium to fire, the Saita- ia University researchers linked a protein to the fish's genes that glows the pf6Rence of calcium. When neurons fire in the fish's brain, the pro- in lights up,and we can seeit withthe helpofa 06808nt microscODe. je can make the invisible yastpeGDet most important,” said re- earcher Koichi Kawakami. ME 409 Ame tt Once yourve got a fish with a glowing brain, how do you know what it's inking about? Before recording the thought, the scientists fjgured out hich neurons in the fish's brain responded to movement. Then, they re- leased a paramecium, a tiny single-celled creature that the fsh love to eat- the paramecium moved, neurons in the fsh's brain Hit up in a pattern at matched the fish's motion. 5|So what does a fish think about? Thats easy 一 food! 9上 民【

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次の共文を読んで, 下の問いに日本語で答えなさい。 Jreams can be familiar and strange, fantastical or boring. No one knows for certain why people eam bt some dreams might be connected to the mental processes that help ns leari トー atudy seientists found a connection betveen nap-time drea md better memory in people jearming a new Skill で 56 Perhaps one way to leam something new is to practice, practice practico 一 and then sleep Q j (Wamming: This research still doesmt provide an excuse for falling asleep during class.) <T ras starUed by this Rnding" Robert Stickgold told Scieuce eos He is a cognitive neuroScient 時 Earvard Medical School who worked on the study Neuroscience is the study of how the nn jous Systen work。 and GOgnitive studies look at how Deople learm andl reason. So-a_cogNiHe /9 neuroseien study the brain processes that help Deople leamW the study-69 colege 6 between the ages Of 18 and 30/each spent an hour on a computem iryig 6O get through a yirt > The maze was dificul and the study Darticipants had to start 明different place each time they tried 一 making itleven ore difficult They were alsG told_to finda particular picbure of a tree and remember where i WS. for the 6rst 90 minutes of a ftve.hour break。 haif of the participants stayed awake and half were 19 Oake ashort nap. Participants who stayed awakc、wrere askedbto describe their though Participants who took a nap were asked about their dreanNs・ Siekeold and his colleagues wanted to know about NREM, or non-REM sleep。 RPM stands fi pi eye movement” witch is what happens during REM sleep. This period of sleep often br 明range dreams to a sleepe although deams can heppen in both modes of sleep SHickgold wanted jow what people were dreaming about when their eyes werent moving, during NREM sleep、 er studies seientists had found a connection beveen NREM brain activity and leamtng abihty還 rats and in people. OurlOEithe 50 people who slept said ther dreams were connected to the mmaze. Some dream 92D6nt the musie that had been playing when they were workingi others said they dreamed abc seeing people in the maze. When these four people tried the computer maze again, they were able 恩 fid the tree faster than before their naps. SGCkoMi snggests the drean itself doeavt help a person leam 一 iPs the otier yav around- 3 6883 ha 1h6 dal was causedl by the braint processes associated] with_learning 96 JA four of the people who dreamed about the task had done DooHy the frst tme, which Stickgold wonder 下 the NREM dreams ShoW up When a person fnds a new task particularly diffio ple who had other dreams, or people who didmt take a naD, didnt show the same improvement. (Adapted from Stephen Omes, "Dreaming Makes Perlect"in Sciuce Aeus.pr fy May 12.201 ze 迷路 訳しなさい。 ょ を行ったかを、休計点を合め、80生以内で玉べなさ 0 を人導において失放されたことを, 旬読点を合