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物理 大学生・専門学校生・社会人

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【1 】As shown in Figure 1, here ame an object Aof mass AZ B ofmass 7 and Cof mass r On a smooth and horizontal surfce. A and B mre inlerconnected by a spring. The Spring has the naumi lcngth of / and a spring constant た A。 B, and C are on one straight Hime and can move along the stmight line. Tuke the right direction as positive fbr velocity Neglect the mass of the spring and air resistanee 国1に示すように, 水平でなめらかな台の上に質量 /の2つの物体 A, Bと質 基wの物体Cが静止している、A と Bはばね定数たで自然散7 のばねで結ばれ てでいるAB,Cは一直線上にあり, この直線上のを動くものとする. 速度の 向きは図の右向きを正にとるものとする. ばねの質基と空気抵抗は無視できる. (①) A and B are oscillated symmetically so ss for center of mass of A and B imtereonnccted by a spdng to be fixed. Find 7, the Gimc pcriod of the oscillgtion. ばねで千ばれた A と B の重心動かないように, A とB の重心に関して左右対 -称に振動させた場合の周期了を求めよ. Next A and B are atrest. The length of the spring is the natural length / で moving speed yo collides perfect-elastically with A. It is assumed that A and C are rigid, the coHlision occurs very shortly and the displacement during the colision is neglected Moreover iis also assumed tbat after the collision。 A snd C do not have nother の 次に, A と B をばねの長さが自然長 7 になる位置で静止させて, C を左から y の速度で A に衝突させる. この衝突は完全弾性衝突であり, かつ物体が非常に かたくて衝突は極めて短時間に行われ, 衝突中の変位の大きさは無視できるも のとする. さらに, Aと Cは一度笑突した後再びぶつからないものとする- の Find tie velociies yand ycofAand Cimmediaedy Ner he colison。 respectiweiy 衝突直後の A と C の速度w vcを求めよ. ⑬) Find the velocity yoof the cemlerofmassofAand B using が6 and ye 衝後の A と B の重心の束度woを44を用いて表せ (④ Find mc minimum lengtb ofthe pcng sferthe colision ing ヶ。 4 we かた 衝突後, Aと B が最も近接したときのばねの長さを ヵ, 7 w。 4を用いて表せ。 も Hi

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英語 高校生

答えがありません、、 丸つけお願いします

次の設問(AXBIに答えなさい。 43 ) に入る最も適切なものを選択肢①〇ー④の中 0 (A) 次の文章の意味が通るように、( 40 から 1 つずつ選びなさい。 Cleaning Abroad From an eariy age Japanese people are taught to be responsible for the environment they uSe. This can be seen in elementary schools where children share the cleaning of their classroom floorS They think it is natural that paid cleaners clean Such acustom is sumprisingto( 40 ) However the custom seems to help Japanese societ For example leaving trash in pubtic places is rare compared to many other countries. In this nation the streets, parks and transport systems are ( 41 。)。 Sometimes, howeverf when you take your custon abroad。 it can cause unexpected responses. Tn the soccer World Cup in Brazil in 2014, the woridf's media noticed an unusual happening athe Tm the game。 Japan lost 2-1『bTSeveral hundred Japanese end ofJapan's game against the Ivory Coast fans slayed im the Stadium and pot trash in blue plastic bags。 The pictures and videos of this behavior 42 )fordeaning the ere shown in various media around the world, As a result。 the fans ( stadium。 | However Some people said the cleaning was not necessarybecause profesional cleanerS Were already paid to do this work, They-asooted that stadiums were left clean, the cleaners would lose 43 ) in other countries. theirjobs. Clearly, you have to be careful when (

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英語 高校生

日本語訳お願いします! 3段落目からでも構いません。 ざっくりとした内容だけでもお待ちしてます(><)

テキ Mueic has been used to help people with a variety of probleme. These problems can be both physical and emotional ones.『For example」music has been used to bi) ooplo」 with Jearning diHycultiew, speciml meeds, depression brain damage and pereonalifrl People also tee music 66 eieve stress。 They ma Hheir favorite 和夫 they arrive home after a stressful day. The use cFmusicto healor help peopleAe called( ア ). At some very deep 1evel」 [human beingslhave a connection th mueic。 民 can change our moedand sfctouremotions、オThig janotsurpriaing_ because の 人 ず 1 exigted in humah GSilzation。and now eximte TE pr ctBef im ceording tolsome studies, six-month-old babies re でmoreyto their mothers 7 compared to (蘭BJn_some waya the human hb 6 De eeen aga rg の2本22 netrninent ー wecanclap, fammp and eing。 The hea 半 can be compared to the beatof adrum and even our breathing bas a ce musical選 rhythmtoid ウ 0 leociatione with difierent songs 6pt tusic. For example, many couples have hich may remind them of some happy Gime in the past IMusic therapy uses this deep human response to music to treat people。 Therapists have to be such skiled musicians that they are able to improvise and match the mnsic to each patient. Naturally, patients participate as much as poseible in the making of the mueic. If they are able to play, patients can choose derent instruments from drums to maracas or the piano, and use these to develop their own musical expression。 Of couree』 using your own voice is fine too! Experiencing music together and developing a relationship between therapist and patient are important parts of the reatment. Although science has yet to prove precisely how music therapy works,オ there is no doubt 』 that it doee work. There are many case studies which support this, and the fact that mi therapy ha existed for over 2.000 yeare points to is usefulness。 Tn addition 赤 has be acknowledged and dsed by many organizations from hospitals to prisons。 The Federations of Music Therapy Wa founded in 1985 to help further its d promote its uee. Mugic Therapy is also being acknowledged in higher education。 State Univereity is planning to 1aunch ite own music therapy degree program to tran mueic therapists 一 the firat ofite kind in the world. Whether you are a stressed executive, sufer from depression, or ha condition,js certain that( カカ ). 2 no their own physical and mental health and therefore, they( キ T eeeiw mm rmd varine aermaive heaing miode mudh

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英語 高校生

オレンジで線を引いた(3)はcontributeを正しい形で入れなさいという問題なのですがどう変えればいいのかわかりません。解説をお願いします。

人間 、 iC 次の英文を続み、問いに符えなさい。(80 amngngeet ceri The years 2007-2008 saw drarmati world food 5 識記8 md eo。 E 1 crisis。 This resulted in social and dee 語ee hs risen atione ahike、Sime the wiare 2008 99 内識Entemeuo percent wheat by 186 percent “maize by 25 MR 人 。 pereent。 (The causes the ood gi omi 間 nou mate changt。 evidenced in a recent ei ornatural diee 隊5い e orrfiagetih もHmgnatona 5uch se Auotnolx ofthecauses. Prolonged droughts in maj9r 時 the cydlone im Myanmar、 and widespread floodng jaweam( 2 )toamajor reduetion jn food produclP. img oilpriees Higher oilprices have heightene hatYfertilzers,food transport and emem ateofgloba he subject of debate 旧Sm the spring of 2008 io Anothercontributing factori the overall costoffood production。 estsareal( 3 ). Te increasing uae of *biofuels in developed countries i9 thought to be another auee。 Tnitiahy seen as a clean and 本eentalternatiwe to foseil fuelsy biofuels such ethanolmaybeused torun vehielesinsteadofgmsoline. ( 4 ).theyseemedalogl dternative to regular fuels. Biofuels are made primarily from grain crops such maize and an estimated 100 million tons of grain per year is now being redirecte from food tofuel. This bas resultedin lessfood being available for human consumption and Hivestock feed, leading to increased market demand and ultimately to overal so price increaseS. (3)The crisis can be seen in a sense to show the ever-widening eSD Teteen poor and rich nation8 六 saie that fling a tank of an average car wi biofuel amounts to as much maize as an African person eats in am entire year The bottom ine ja that there areevermore people to feed and we havea dectinim abiity to feed them. (6)This is a truly global problem、 The food crisis affects allof 5 but hurts the poor the most. "The challenge today is how to vide enough afordable food for alL 前 (856 wm

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