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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

) 次の英文を読み、下記の設問に対する答えとして最も適切なものを選択朋やー④の中から 1 つず 回 つ選びなさい。 Boxing fstsprobabjy began Boxing, a sportin which two people ight by hitting each other with th Howevef ittook along time to develop a8 the frst ime one person punched another in Dlay, not anger the use of padded gloves and allow boxers onlyto hi the activity we know today with rules that require aist and on the front or side。andLdo not allow holding an Opponent ) and ttaly, amd their opponents above their wi twas a popular sport in ancient Greece, Asia Minor (mostly modern day Turkey yas an Olympic event from about 688 BC。 Boxing gloves were apparentjy invented'around 1500, first recorded_boxing although fighting was still mainjy with bare fists for many years after that。 The din 1681zn Britain。 An English nobleman organized the fight between WO ofhis match' was hel Servants) The frst Enghish championzfn 1719.as James Figg and it was 3t this time that the word Boxers stil fought with bare fts and the earliest formal boxing'was first used to describe the sport (They recommended using rules were introduced by another champion、James Broughtoh in 1743 ining butn6Eim actual boxing matches。 jandages or padded mittens to protect the hands in tm Amajor change came when the Queensbury rules were published in LondoNAin 1862。 These rules made wearing gloves necessary, fixed the size of the ringranddecided that each, round should be They became the standard set ofrules three minutes long, wi breaks of one minute between rounds under which all boxing matches were foughtand they became common in the USAandCanad: ground 889. The first world heavyweight championship under the Queensbury rules took place in New Orleans in 1892. Bare fist fighting continued until the late nineteenth centuryalhogh 1aws were passed in Britain and the USA to stop 直 was considered to be a crime 6f violence) even ii he Righters both agreed to the match。 Even today, these fights still take place, and_most of the boxers are 'street jighfers' from poor areas of the world。 They are attracted by the prize moneyiand promoters of these iegal malches can st become very rich、in spite of breaking the law so long as they escape being caught.

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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

教えて欲しいです!

ば “なっている男の子を励ました。 Shecheereduptheby( バ 人還0 02 1日は私の両夫が総絡した日であぁ.。 Tomorowis( )( り(68)(6 )( ) gotmared. 03 私の姉はやさ (共<S そのうえ料理も 得意だ。 8 Myssrerss knd and ( )( が(9 )( )( )agood cook 。 04 たとえ彼女はどちらを選んでゃ、 うまくいくだろうぅ。 / (較靖の(の(・ ) (0 )saceeed 05 る ての時邊がスーザンに話しかみけていたら、 今彼女は げ( )( り(6208)( )( ミサコはあたかも その事故を見たかの Misako (ajked as ( 7( ここにいるだろうに。 ) uhen she would be here ov ように話した。 り(仙2の( )( 06 ) acadent 07 今何が真にな されるべきかを考え るべきです。 Youshoud thnkabour ( 上人CS )(請計り6nSnS 08 警察舎はその男に話しかけた。 なぜなら、 彼は公園でんでいたからだ、 Apojceman lkedro( )( )り(2 ( 09 彼は会う人、誰とで 自分の趣味について話した。 He raked abour hs ( り(G上5)(人9 )( 10 たと え彼らが私の仕事を どう思お (の(0)人0 1 会合を行う ホテルの名前は何ですみ。 Wiharsthenameof( 。 )( AGまう( )goingto haveameetng2 12 先月君がその車を買う と決めていたら、 てれを特別価格で手にいれられたのに、 joujhddeedediobyheer( 。 )( (6半)(6)( )ataspedalpree 13 もし一等賞をとっていたら、私たちは どうしただろう。 )( )nthepark 。 ん | (0 PS うとも、私は気にしない、。 )my work Tdont care. we had won the frsrprze ( 。 (2の(人 ( り (の 14 戦争がなければ、 世の中はもっと住みやすくなるのに。 Withootwass( 。 )( )(* (8計9( )bederplace to je 1 もうしよいカメラがあれきれいな写真23れるのに Waisesemew( )( (YO

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