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Physics Senior High

慣性力 42問4 糸を切ったら小球が下に落ちて小球の重さも考えるのかなと思ってしまったのですが、この問題だと小球が落ちてる途中の加速度を求めているのでしょうか?? それとも小球が底に落ちてもその重さは考えなくて良いのでしょうか、、??

第1章 カと運動 58 慣性力 S7 **42 (14分24 点) 糸でつるされており, その床からの高さはhである。エレベ の大きさをgとする。 このエレベーターを, 鉛直上方へ一一定の大きさFの力で引 き上げるときの運動について考える。上昇加速度の大きさを 4, 小球をつるしている糸の張力の大きさをTとする。 エレベーター(中の人を含む)および小球について, それ 小球 h mea 問1 ぞれの運動方程式として正しいものはどれか。 [Ma=F+T+Mg (ma=-T-mg [Ma=F-T+Mg しma=T+mg [Ma=F-T-Mg ma=T-mg SMa=F-T+Mg (ma=T-mg [Ma=F+T+Mg しma=-T+mg [Ma=F+T-Mg (ma=T-mg [Ma=F-T-Mg lma=T+mg 2② 0 SMa=F+T-Mg 6 (ma=T+mg 問2 エレベーターを引き上げる力カの大きさFはいくらか。 F= ③ (M-m)g 0(M-m)a (M+m)(a+g) 2 (M+m)g 6 (M+m)a 0 Mg 6 (M+m)(a-g) をする ⑤ Ma 問3 小球をつるしている糸の張力の大きさTは, エレベーターが静止している場 合と比べて, 何倍になるか。 a 1-2 g g 0 g 2 1+2 1+9 9 a a g 6 1- a 次に, 力の大きさFを変えないで, 小球をつるしている糸を静かに切ったところ, 上昇加速度の大きさが6に変わった。 問4 エレベーターの上昇加速度の大きさbはいくらか。 m (6_の)台 (a+g) 0 ②a+g) m m M. m 1+ M m 1+ M m aー g M m 0号み1一番 +(1+}9 m lat 「M m M. m m M M こoと るようにA。 O ma-e) 5 m) (6t) 6 が れてから。 小 ーク 216 Or +m)(6-g)

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English Senior High

問3について ④みたいな選択肢のとき、ついついwhenを 「~とき」と訳してしまいます。 模範解答は「いつ、他者のそばに立つべきか」と書いてあったのですが、なぜこのときはwhenを「いつ、~」と訳してるんですか?どういうときに「いつ」と訳せばいいんでしょうか? あと、「~... Read More

第6問(配点 24) A findings to your classmates. social positions. Personal Space and Culture Hall also told an interesting story illustrating cultural influenee, He was Sitting alone on a chair in the lobby of a hotel when an unfamiliar Arabian man came within arm's length) The man looked as if he was waiting for someone and stood in front of than an Asian person. strangers. him. Due to his personal space being violated, he felt very uncomfortable and tried to show his discomfort, but the Arab did not seem to notice at all) Hall had no idea why the man was standing so close, thinking that even in a public place like a hotel lobby, someone's personal space should be respected by others. Afterward, when he 0 taik with your friends even when thev are closer than this distance. However, you met his Arab friend, Hall asked why the man had acted so rudely. His friend said, “That's just an American idea. Arabs believe that personal space does not exist for anyone in a public place like a hotel lobby." Furthermore, a distance of less than 1.5 feet (46cm) from you is called *“intimate In a globalized society, knowledge of cultural influence on interpersonal distance aistance." Since physical contact with others is likely to occur within this distance, is necessary in daily life/ People from different cultural backgrounds have a personal only those who have a very close relationship with you are allowed to come nearer space of a different size, and it is very likely that you will mistakenly violate their than that. By contrast, when you step into a stranger's space formed by intimate personal space. This may sometimes cause(serious trouble, Therefore, understanding distance, they may feel that you are trying to frighten them or physically attack them. the sense of interpersonal distances in other cultures will help avoid conflict with Hall classifies “personal distance” and “intimate distance” as someone's personal others. space. The space outside of your personal space can also be divided into two types, depending on the distance./ A distance of between 4 feet (1.2m) and 12 feet (3.7m) from you is called “social distance," and a distance of more than 12 feet away from you is called"distance." in non-situations, in business or parties, place at a social . On the other hand, a public distance is a public speech. You also to keep this distance when meeting people in important The point here is that , , the same for all , but are by your or, , by the culture you belong to. , that people in South , in , space than people in Asia, a South will allow a to get closer 3- 31 3- 30

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