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物理 高校生

セミナー物理299番です。 (3)の指針の部分には「並列なのでR「3」とC「2」の両端の電位差は等しい」とあるのでR「2」とC「1」の両端の電位差も等しいと思ったので解説にある(2)(ウ)の0.5V を全体の2.5Vから引いて2.0V(答え)として間違えるのは何故ですか。教... 続きを読む

PROCAbdN EE環 (の 5.を回じた下生で Gr. G 時しcr に電流は が財すると, CC.はをイーの人人基は 泊Lrくなる。 ⑬ mgD。 | 開くと, 所NR を周じての が誠れ | の下財の二板の間に電流が 1 なくなる。 く、 電圧は0 | @Rz. Ri 4 ( た中後, で R。 には電泊が AN 沈が湾れず, Ru ZSSRCUE 加わる。 Ri 電放は。オームの法則から Se。 ②⑲ ①) S,を開 十分に時間が経過した は充電を完了し。コンデンサーには電流が流れなく 電流はERごR。一Ri の経路を流れる(図1)。 だ 陸 れる電流 なは。オームの法則から s490字 10+20 R。の机の電位 『:(VJは, オームの法則から。 りらコ A ansx二| =太ー20X V (⑦) Ci、C。の全体に加わる電圧 『(V)は。 並列に接続されでいる R。 と R。 の全体に加わる電圧に等しい(図1) 本=(6。T 0ムー(20+30)X 0 2V はじめに電茶をたくわえていないコンデンサーの講接続では。各コ 〇の計算では 比を シンアンサーに, 電圧が電所容量の人数の比で加わるので、 C。 の両強の | えるので, 箇所9 電位差 (VIは。 位u(マイクロ)に机 1 3 る 10-* は。 省略して放 25x てLOTO4O 2%すー050V 算している。 (ご) 極板Aは電位が高い方なので。 PEN 電谷を 0(C)とすると。 公式 0=Cから、 0 X0.50=2.0x10 4C にたくわえられる秀電エネルギー ひ[JJは.

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英語 高校生

1、2の答えはなんでしょうか?お願いします。

英 癌に答えよ。 1. 次の英文を読み, yarious reasonS for the recent shortage of food on the world There are market。 One factor isS the extended drought* jn Australia,a major food exporter, This is almost certainly related to global warming. Another factor is the diversion of American corn and soybeans to biofuel production.。 Im 2007. over a quarter of US corn and a fifth of US soybeans were used for biofuels These trends coincided with an increase in the demand for food in China anq ーー India,ldue to economic growth, changing diets and increasing population。 At the に same time, farmland in many countries is being lost to urban development and Teson 1ana the amount of food which is produced is declining due to water shortages and, in China's case, to air and water pollution. Experts are now predicting a major global food crisis. Japan would seriously suffer from this problem when it comes to wheat and SMG which it depends heavily on imports to meet its needs. At the same tme 380.000 hectares of farmland are currently unused, due to an earlier program aimed at reducing rice surpluses. If these could be cultivated, they could help increase Japan's food security. Shortages are not the only concern with regard to food. ]apanese consumerSs also have to worry about the safety of the food they buy。 Many In 2007.a number of people were sickened by gyoz2 dumplings imported from China that were contaminated* mwith a banned pesticide. The mass media then drew attention to the fact that imports contain 則egal pesticides and food additives owing to staff shortages, only one tenth of all imported food was being inspected py quarantine oficers* among Which processed foods were not included。 The discovery』 in imported American beef of a material banned because of its ink t pk べM85(950)

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英語 高校生

あっているかお願いします! 最後の18はunlessにしました。

『Cosmetic su \ i 人 has become Increasingly popular thro h ughout Asia. / 前 ( ) a recent survey, in South Korea one out of 2 ry two wom 2 en ha | mdergone cosmetc surgery at least once. Im Taiwan and Chi S ma as well women are turning to cosmetic surgery as never before And in < apan, o non-inVasive procedures known as "petit surgery'′are all the *rage Why are (|) numbers of Asians turning to cosmetic surgery? Notions of beauty differ from one individual to another and from society to society、 In many eastern countries, however, Western notions of beauty have been sweeping aside classical Asian ideas. The media are full of pictures of "ideal faces and bodies”: the Western standard of beauty has enormmous infhnence as a global standard. This has led to a *longing throughout the world for typical *Caucasian features一big, round eyes: a long, straight nose: and a welLdefned chin. Another reason for the cosmetic surgery boom is that good looks can improve a person's ( [| ) in the job market and workplace. In a society that puts considerable emphasiS On aDDearanCe, cosmetic surgery could be one possible “solution” to helping people overcome stress and other problems caused by their aDpearanCe. Cosmetic surgery。 however, Cannot be a solution for everyone. AS most cosmetic Surgeons realize, in many C3SeS, patients who want to change their apDearanCe 4Te *induced by emotional iSSues rather than by cal problems. For people *obsessed with cosmetic surgery 1S nOt 3 good idea. actual physi physical perfection and who have unrealistic expectationS, dictive and even destructive. Cosmetic surgery cannot Tt can become "ad s find the partner of oi n ur drearnS save_a faihng relationshiD Or help u ( ) it cannot change Who We 3re

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