学年

質問の種類

物理 高校生

物理の問題です。 算出方法が分からないため教えてください💦

次の文章は、力と運動について述べたものである。()の中に入れるべき適切な語句を下の語群から1つ 選び、その記号を解答欄に記入しなさい。ただし、滑車および糸の重さ、床面および滑車と糸の摩擦は無視 する。 (1)図1のように糸の一端を天井のC点に固定し、動滑車Dと定滑車Eに通した後、他端に質量mの物体 Bをつるす。動滑車Dにも質量mの物体Aをつるした後、全体を支えてから手を離すと、Bは一定の 加速度で下降した。重力加速度をgとすると、Aの加速度の大きさは(0)、B の加速度の大きさは (2)となる。また、糸が点Cを引く力の大きさは(③ )となる。 (2) 図2のように、水平な床面に対する傾角30度の斜面があり、斜面の頂上に滑車が取り付けてある。質 量が Mで等しい2個の物体 A、Bを糸で結び、Bを斜面上において、糸を滑車にかけてAをつるした。 Aを床面から高さhの所で静かに離したところ、Aは落下し、Bは斜面をすべりあがった。重力加速度 をgとすると、Aが落下するときの加速度の大きさは(O)である。また、床面に達する直前のAの 速さは(6)である。 C E D B B A 30° 図1 図2 語群: ア g、イ g/5、ウ 2g/5、エ 3g/5、オ g/10、 カ 3g/10、キ mg /5、 ク 2mg/5、ケ 3mg/5、 コ g/2、 サg/3、シ g/4、ス (gw2、セ Jghs、ソ(gws

回答募集中 回答数: 0
英語 高校生

青で線を引いた部分の文の構成がわかりません。文の要素の説明して欲しいです🙇‍♀️

will interest anyone who has recently attendeda class reunion - or plans to. Bahrick and 記憶」に関する英文だよ。パラグラフごとに内容を確認しながら読んでみよう。 the 1970s, the noted psychologist Harry Bahrick conducted a landmark study th. Is "colleagues asked hundreds of former high school students to look back at th yearbooks and see whether they could remember the faces of their classmates. What tho 5 discovered is (ア)proof of the power of human memory. For decades after graduation t. memory of fofmer students for the faces of their classmates was nearly undamaged. Evos after nearly half a century had passed, the former students could still recognize seventw three percent of faces of their classmates. But when it came to names, Bahrick found, memories were much worse; after nearly fif.. 10 years the former students could remember only eighteen percent of their classmates names. Names, for whatever reason, donot stick very well in our memories, or they stick only partway, causing us to call our brother-in-law Bob, Rob, or to mistake the author Ernest Hemingway for the actor Ernest Borgnine. Why should we remember faces, but not the names that go with them ? Part of the answer 15 is that (イWhen it comes to memory, meaning is king, Our long-term memory, even for things we've seen thousands of times, is limited. It is prúmarily *semantic, which means that in most daily instances of.remembering what_we mist recallis meaning, not surface details. Take the common *penny, for instance. How well do you think you can remember its features ? In a well-known test, two researchers, Raymond Nickerson and Marilyn Adams. 20 asked just such a question. The answer they got surprised them - and may surprise you. In the test, Nickerson and Adams asked twenty people to do something that sounds really easy: from memory, draw the front and back of a penny. After the drawings were done, Nickerson and Adams graded them to determine how accurately the participants had drawn eight critical features, like the placement of Lincoln's profile on the front of the coin 25 and the placement of the Lincoln Memorial on the back. The results wereA Of the twenty people tested, only one - an *avid penny collector 一 accurately recalled and located all eight features. Of the eight features, the average number recalled and located correctly was just_three. Interestingly, the most frequently forgotten feature was 30 the word “LIBERTY," which appears on the front of the coin, to the left of Lincoln's profile. The findings from the penny-drawing test were conducted a series of follow-up tests to try to confitm what was going on here. Among othe= things, they wondered: If people couldn't recall exactly what a penny looks likeg would the (at least be able to tell the real thing from a fake ? To find out, they showed a new group of people fifteen drawings of the heads side of penny. Only one of the drawings was accurate; the rest were not. The participants' job w to pick the right one. Again, the results were disappointing. the right one. NT ONTO POINT B |enough that Nickerson and Adam: POINT C than half of the people in the study picls (51 注)*colleague =同僚 *vearhook 京竜アル

解決済み 回答数: 1
英語 中学生

文法的に正解かどなたか教えてください💦🙏🏻

emiog bsd Ved oala 3ovawod a19tugrmoo bns 2onodg Is imdo 1stnobl fofaks sWて 筆記検査 d bwhoroueobxe由か 1次の道路標識 (road sign)を見て,あとの問いに答えなさい。id olsuprirss gid s li に Ogrpour の EOL Cmubye rer 説明文 slo of gaiyu ai nsqat ni yod gnuo A Look at this road sign. 2upi n 止まれ。 月 nois Pee abrbxof vo The sign is red anda Japanese word is written in white. It tells .gut|| atoon の because you う I hope it'll be hel 10dagm sd からカsのと20hiear sunny all day! b-(問い)あなたは次の休日に, 日本を訪れた外国人の友人と二人でサイクリングに行くため,こ an0 の標識について説明をすることになりました。説明文の0には,この標識が伝えている内 mo容を,2|にはその理由を,それぞれ5語以上の英語で書き,英文を完成させなさい。i1oas 0 aただし,0には you (あなた),②には traffic (交通, 交通の)を必ず使うこと。ま bad た,下の語句を参考にしてもよい。 101 <語句> w dioimowerginao tiorh tatse Jasts aogudeomelbrsacn bっyslq abrid ort bas ,2gnibliud isdh no a9aupd noogiq 2l場所 place of~を確認する check ~右側 right side自転車bikeとanttvgnibmoath oda lasioinns stogw bas slgosq bowaivioini ,poifto tisdh obiauO ano9gig idguoid pjodhisramw doiulm sanyetiame d oini esloimprottotugororhusdHonsnaekibirorithe

未解決 回答数: 3