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物理 高校生

(4)です。 なんで1,8×10³になるんですか? 18×10²ではだめでしょうか…

■速さ(m/s) よ。 ....... 傾きは ⑩ 0 1 2 3 4 5 6 r[s] 40 0 m 0m/s² 3 (m/s) 8 2 4t で求められる。 2014-h 4 Ap=3.0m/s 0m/s ってみよう! 問題 18~20 6t [s] At-2.0s-Os (日) x₁= x6.0×6.0=18m 11/12/ (3) x は図の 「S,の面積S」の面積」 に等しいので =18-1/2×2.0×2.0=16m x=18- v[m/s) 20 等加速度直線運動のグラフ p.23~25 まっすぐな線路上を走る電車がA駅 を出てからB駅に到着するまでの, 速さ [m/s] と時間 f[s] の関係を図に 示す。 電車の進む向きを正の向きとす る。 (1) t=0s から t=30sまでの間の電車 の加速度 α [m/s²] を求めよ。 (2) t=30s からt=90sまで等速直線運動をしている間の電車の速 さ] [m/s] を求めよ。 20 16 12 8 4F 23 自由落下 p.30~31 宮10 130 0 (3) t=90s から t=140sまでの間の電車の加速度 α' [m/s²] を求めよ。 (4) A駅とB駅の間の距離 1 [m] を求めよ。 the the best the sta tud 90 140 t(s) (1) b-t 図より α= =0.60m/s² 18 30 (2) b-t 図より読み取ると, 30 ~ 90sの区間の速さは一定で 18m/s (3) pt 図より α'= 0-18 140-90 -=-0.36 m/s² (4) u-t 図のグラフと軸が囲む面積は移動距離を表すので =1/1×{(90-30)+140}×18=1.8×10°m la diritto tot x = 6.0×6.0 20 (1) (2) (3) (4) 23 +1/1/2×(-1.0) =18m 0.60m/s² 18m/s (-1.0) × (6.0)* -0.36 m/s² 1.8×10m ((2)の別解) 等加速度直線運動 の式 「v=vo+al」 を用いて t=30sの速度を求める。 v=0+0.60×30=18m/s 第1章 運動の表し方 17

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英語 高校生

赤線の和訳はどうなりますか?hundreds がどのような日本語になるかわかりません。教えていただきたいです🙇‍♂️

ーー 一 こしとにCSICED HUCO St8KCS./1 1S WadS DCCauSe。in tne 19tn century, a只、4 disease nad caused the death of a large number of these animals/ However。in recent earS。 scienistS have_brought a number of these animals from other places to restore their popujafons/Therefore, there were both new and old groupS to compare. Te scientists used GPS technology to track the movements of hundreds of moose ーー ブー一 And Dienorn sheep/Some belonged to older groups that had lived in the west for more nan 200 years, while others were part of newer groups that had recently been introduced ) (he areaノTne result was that almost all the members of older groups migrated at the gnf fme betyeen (he higher and the lower parts of the mountains. However。newer oups usuaJjy moved at the wrong time or did not move at all. In fact。 among animals rf arrjved within the last 10 years。 only 9 percent Were able to make the mo ceSS人月Y. m addirion。 (he scientists recorded how much food was available along the migrati( es af each animal took. They found that animals from older groups chose routes 人 Jarge amounts of food一sometimes traveling great distances between food sourc ever。animals from newer groups only moved to nearby sources Of food that 1 | see. According to (he scientists、this shows that moose and bighorn sheep【 d knowledge of the best routes from older members of their groups。but 避。 St Ci

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英語 高校生

ごめんなさい。非常に見にくいと思いますが、 (b)の問題で、なぜ②じゃなくて③が正解なのかわからないです。教えてください🙏🙏

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