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物理 高校生

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STEP 1 公式チェック □U1-1 【等速直線運動】 軸上を一定の速度 [m/s] で動く物体が、 時刻 0s に位置x=2〔m) を通過した。この物体の時刻 [s] での位置ェ 〔m〕は? I= 学習時間 do-vt □U1-2 【等速直線運動のグラフ] r〔m〕 tグラフの傾きは 【 1 】 を表す。 また, b-tグラフで囲まれた面積は 【②】 を表す。 傾きは v[m/s] 面積は Do ① Io =rotot 速度 0 0 t(s) t(s) ② 動 □U1-3 【等加速度直線運動】 時刻 0sに原点Oを初速度vo [m/s] で出発して, 一定の加速度α [m/s] でx軸上を運動する物体がある。 物体の時刻 t [s] での速度 v= x= [m/s] は? 物体の時刻t [s] での位置〔m〕は? これら2式からt を消去した式は? □U1-4 【等加速度直線運動のグラフ】 za's x-tグラフの傾きはその瞬間の 【③】 を表す。 x=vot+ at x [m] b-tグラフの傾きは 【④】 を表 し, v-tグラフで囲まれた面積は 【⑤】 を表す。 v[m/s] v=vo+at 傾きは は 2 v²-vo²= ③ ④ 加速度 分 傾きは Vo O t[s]) t t[s] ⑤ 移動距離 □U1-5 【相対速度】 直線上を速度vAで運動する物体Aと速度UB で運動する物体Bがあ る。 Aから見たBの速度 (相対速度) VAB は? VAB = □U1-6 【自由落下】 初速度0m/sで落下する (自由落下する) 小球がある。重力 O+ 加速度の大きさをg 〔m/s'] とし, はじめの小球の位置を原 49 点として鉛直下向きにy軸をとる。 自由落下を始めてかYO ら時間 t [s] 後の小球の速度v [m/s] と位置y 〔m〕 は? v= ¥0 y= y〔m〕 □U1-7 【鉛直投げ上げ】 小球を鉛直上向きに初速度vo [m/s] で投げ上げた。 重力 加速度の大きさをg 〔m/s'] とし, はじめの小球の位置を 原点として鉛直上向きにy軸をとる。 投げ上げてから 時間 t [s] 後の小球の速度v [m/s] と位置y 〔m〕は? これら2式からtを消去した式は? y〔m〕 yo 0= AVO y= O+ 147

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英語 中学生

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26 Unit 4 長文問題≫ もしも時間を戻せたら? ) able to change the past? If you 1 Do you ever wish you (1)( had (2) that ability, maybe you would spend more time practicing soccer, learn the instrument that you always wanted to play, study harder for that big test, or try to save more money for the future. 2 What would you do if you had the ability to turn back the clock? This was a question which Mr. Woodall, a high school teacher in Philadelphia, asked his students. Mr. Woodall wanted to know what was important to his students but was pleasantly surprised to see the results. I think their answers will be very interesting to you, too. 3 which were connected to Mr. Woodall expected to see answers (v)) the own good of the students, but (3) he was wrong. The majority of the which he received from his students were for the good of answers (5) others. 4 A very common answer he found was, "If I could turn back the clock, I would take back some things that I said to a friend." Apparently, many of the students regretted saying something (5)( ) hurt their friends and wanted to change that. Surprisingly, close to 40% of the students answered this way. 5 Another common answer was about pets. "(6) If I were able to turn back the clock, I would spend more time with my dog," or "(I would be nicer to my cat," were some common answers. Almost 25% of the students missed their pet very much and wanted to show more love. These pets included dogs, cats, birds, rabbits and other animals. 6 There were other answers about reading more books, studying harder, or eating less junk food. However, Mr. Woodall was quite impressed with his students and their concern for others. He decided to share all of the answers with his students, and the students enjoyed hearing the different answers. Mr. Woodall decided to try this activity with his students every year. By asking, he felt he would learn a lot about his students. Target ①関係代名詞 ②仮定法・間接疑問 turn back (時計を) 巻き戻す 問1 (1) (C pleasantly 心地よく good 問2 問3 い。 問 expected to 〜するだろうと思う majority t F (4 take back 取り消す apparently どうやら~らしい close to ~近く be nice to 〜にやさしい junk food ジャンクフード concern for 〜への気遣い、配慮

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