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理科 中学生

【緊急】この問題の1番最後の4がわかりません!ᝰ😵‍💫 誰か教えてください!(。>ㅿ<。)

[3] 次の1日の問いに答えなさい。答えを選ぶ開いについては記号で答えなさい。 I 図1のように おもりと糸をつないで作った2mのふりこを取りつけた。 このときのおもりの位置を十基準面」(高さが①)とする。次に図2のようにおもりにつけた 糸を使って元の位置から60 の角度になるまで持ち上げて静止させた。また、この実験で がたるむことはなかった。 図2 図1 糸A (2m) *B (基準面) MA 60° おもり (3N) 1 おもりの持つエネルギーのうち、図1から図2の状態で静止したときに増加したエネルギー は何か。 2 糸Bが常に基準面と水平になるように引いているものとすると、図2のときに糸Aがおもり を引く力の大きさはア~エのどれか。 ア 1.5N イ 3.ON ウ 4.5N I 6.0 N 図2の状態から糸Bをおもりから切り離すと, おもりは動きだし、図3の基準面を通過した後 ①~④のいずれかの位置まで移動して止まり、その後往復運動を始めた。 また、この間、ふりこ は他から摩擦や空気抵抗をうけなかった。 図3 (基準面) 3 ふりこは①~④のどの位置まで移動したか。 4 ふりこが基準面にきたときの運動エネルギーの大きさは何事か。 -4 xm

解決済み 回答数: 1
英語 中学生

左の見切れてる部分が分かる人教えてください🙇🏻‍♀️🙇🏻‍♀️

二分改) 演習 2 次の①~⑤の文について, 接続詞に注意しながら日本語に直しなさ rom~ から遠く離 that Cher た別の venient 利な totensias bellso ei d 次の英文は清 (Kiyoshi)が夏休み中に体験したことを書いたものである。 During my summer vacation I went camping with my father. We went to he mountains in Nagano. It was a very beautiful place. I enjoyed my acation very much because my father taught me a lot of things about amping in the mountains. For one week we walked for many hours and arried our food, water, and clothes in our bags. Justioqm There were no shops or restaurants in the mountains, so we cooked ur own meals. Sometimes we went fishing in the river and caught some sh. My father taught me how to cook them. There was no kitchen, but it as not so difficult for me to cook them. I enjoyed this time with my ither very much. The fish we cooked were very delicious. on tuods rebi gaiesti nais It was very quiet in the mountains at night. After dinner we watched the oon and stars. They were much brighter in Nagano than in my hometown. My father told me stories about the stars as we sat by the campfire. ally He also told me stories about camping in the mountains with his family nge 1 ad 費やす hen he was a student. He said that the rivers were cleaner and there ere more animals then.

解決済み 回答数: 2
英語 中学生

1番下、2つありますが、どういうことですか?

資料編 sit send spend stand teach tell think 原形 (おくる) (すわる) 現在形 過去形 send(s) 過去分詞 sent ...ing sit(s) sent sat [sæt] sending (過ごす) spend(s) sat spent sitting (立っている) stand(s) spent stood spending (教える) teach(es) stood taught standing ( 話す,教える) (思う) tell(s) taught told teaching told think(s) thought telling understand (理解する) understand(s) thought understood thinking understood (勝つ) win(s) understanding won win won winning be A.B.CU (...753) am, is/are begin (始める) begin(s) was / were began been (bín] being begun [bigán] break (破る) break(s) beginning broke [bróuk] broken [bróukan] breaking choose (選ぶ) choose(s) chose [tfóuz] chosen [tfóuzn] choosing do (する) do, does did done [dán] doing draw (かく) draw(s) drew [drú:] drawn [dró:n] drawing drink (飲む) drink(s) drank [dræŋk] drunk [dráŋk] drinking eat (食べる) eat(s) ate eaten [í:tn] eating fall (落ちる) fall(s) fell fallen [f5:lǝn] falling give (与える) give(s) gave given [gívn] giving go (行く) go(es) went gone [gó:n] going grow ((しだいに)・・・ になる) grow(s) grew [grú:] grown [gróun] growing know (知っている) know(s) knew known T knowing ride (乗る) ride(s) rode ridden [rídn] riding rise (のぼる) rise(s) rose [róuz] risen [rízn] rising see (見る) see(s) saw seen seeing show (見せる) show(s) showed shown [foun] showing sing (歌う) sing(s) sang [sæŋ] sung sán singing sink (しずむ) sink(s) sank [sæŋk], sunk, sinking sunk [sáŋk] sunken [sáŋkan] ancaking

解決済み 回答数: 1