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Mathematics Senior High

このような問題では、CP:PM=(1−s):S と、どちらをSとおいてもいいのですか? 前にこうして計算が合わなかったことがあったので、教えていただきたいです

P: PM=s:(1-s), EP: PF=t: (1-t)とすると 2点Qは直線AP上にあるから、 AQ=kAP (kは実数)とおける。 直線 APと対角線 BD の交点をQとするとき, AQを6, à で表せ。 CP: PM=s: (1-s), EP: PF=t:(1-t) として、p.418 基本例題24 (1) と同じ要領 形 ABCD において, 辺 ABの中点をM, 辺 BC を1:2に内分する点を OO000 まをHとする。 |22 直線 AP と対角線 BDの交点をQとするとき,AQを5, àで表せ。 平行四辺形 ABCD において, 辺 ABを3:2に内分する点をE, 辺 BCを1:2に 1に内分する点をFとする。AB=6, AD=à とするとき 交点の位置ベクトル (2) F-1-s)AC+sAM=(1-s)(5+à)+}5 内分する点をF,辺CDの中点をMとし,AB=6, AD=dとする。 | 線分 CE とFMの交点をPとするとき, AF をあ,àで表せ。 なので 36 437 CD を3:) 基本34 n (kは実数)とお (基本24, p.433 基本事項 で送める。 ! BD上にあるための条件は QAB+tAD と表したとき s+t=1 (係数の和が1) 5 1=(1,2) M ュー2t, t), 6 Fー(-DAE+AF=(1-)(5+記)+1は++) ると、 P から -2t)=0 3 減#0, 5xd であるから 1--1-1-s=1 ( ゆえにAF=6+a +2t t, 1~s= 3 く6,àの係数を比較。 13 13 自Qは直線 AP上にあるから,AQ=kAF (k は実数)と おける。 kb+ <AG-B+D 6+ A (係数の和)=1 Qは直線 BD 上にあるから +k=1 13 _13 したがって AG=5+gd えに k= 17 ール (p.445 EX22 s

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English Senior High

どなたか英語の得意な方この問題問いてくださいませんか、、 先日受験して不安で眠れません

6. 次の英文を読み, 以下の設問に答えよ。 legally as a *trophy. In 2003, a lone hunter killeda rhino on a legal safari in South Africa and brought it back to Asia. Dozens of poachers soon followed. The sound of rifles being fired could be heard in the dark forest just as each paying $50,000 for a hunt. It seems like a lot to pay, but poachers can Damien Mander arrived at his campfire after a long day training *game ranger make as much as $200,000 in profits by selling a pair of horns on *the black recruits in Zimbabwe's Nakavango *game reserve. "There, near the eastern market. boundary," he pointed. He and his rangers grabbed their guns, radios, and ull Many officials in Vietnam are fighting back against reports that the country medical kits. They then drove into the night, hoping to stop the shooter. is the main market for rhino horn, stating that rhino horn bound for Vietnam (21) And so goes a night on the front lines of southern Africa's ruthless * rhino is merely in transit for another country. Do Quang Tung, deputy director of war, which has seen more than a thousand rhinos killed since 2006. At the CITES Managing Authority in Vietnam, said the country "could not be the main bloody heart of this conflict is the rhino's horn, a prized ingredient in traditional market for South African rhino horn," claiming that the majority of Vietnamese Asian medicine. Prices range from $33 to $133 a gram, which at the top end is people would not be able to ( 26 ) rhino horn. Even if there is an emerging double the price of gold. group of people who can ( 26 ) it, he thinks it is too small to make the country Although the range of the two African species 一 the white rhino and its a significant consumer. Professor Dang Huy Huynh, chairman of the Vietnam smaller cousin, the black rhino- has been reduced primarily to southern Africa Zoological Society, says that rhino horn has never been a popular ingredient in and Kenya, their populations had shown signs of improvement. In 2007 white traditional medicine. rhinos numbered 17,470, while blacks had nearly doubled to 4,230 since the mid Recently, there has been a renewed interest in the unproven belief that rhino 90s. horn has healing power. For at least 2,000 years, Asian medicine has prescribed For conservationists these numbers represented a triumph. In the 1970s rhino horn to reduce fever and treat a range of illnesses, but the handful of 22 and '80s, *poaching had nearly caused the two species to become extinct. Ther studies which have been conducted on rhino horn have not found any proof that China banned rhino horn from traditional medicine, and Yemen forbade its ust it can reduce fever. The newest rumor is that it cures cancer, but doctors say in ceremonial knife handles. All signs pointed to better days. But in 2008 th the proof is nonexistent一 no research has been published on the horn's efficacy 23) number of poached rhinos in South Africa shot up to 83, from just 13 in 200' as a cancer treatment. But even if rhino horn is not an effective cure for anything, let alone cancer, that doesn't mean it has no effect, says Mary Hardy. By 2010 the figure had soared to 333, followed by over 400 in 2011. Most of th 27) medical director of Simms/Mann UCLA Center for Integrative Oncology. "Belief horn trade was found to lead to Southeast Asia. in a treatment, especially one that is wildly expensive and hard to get, can have *Javan rhinos once lived in Vietnam's forests. ( 24 ) It had a bullet a powerful effect on how a patient feels," she says. its leg and its horn had been removed. In any event, John Hume believes no rhinos need to die to supply the rhino Even with the rhinos gone, rhino horn can still be found in Vietnam. This 28 25 horn to those who want it. The 69-year-old * entrepreneur has acquired one of because South African law, which complies with the Convention on Internatio the largest privately-owned rhino herds in the world, and currently has more Trade in Endangered Species (CITES), allowS a rhino's horn to be expor ○M3(45)

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Physics Senior High

問4から問6の求め方が分かりません!教えてください!!

B ばね定数 k[N/m]で十分に長くて軽いばねの下端を床に固定し、 0 上端に軽い板を付ける。ばねは鉛直方向に伸縮する。図3のように質 量m[kg]の小物体を板の上に置いたところ,自然の長さから d[m] だけ縮んで静止した。鉛直方向下向きにr軸をとり、ばねが自然の 長さのときの物体の位置をx= 0, 重力加速度の大きさを g[m/s°] とする。 小物体を乗せたばねを静止した位置からさらに2d[m] (自然の長 さから3d[m])だけ押し縮めて放すと, 小物体はばねが自然の長さ になったときに板を離れ,鉛直上方に飛び出した。 (図3) 問3 小物体が飛び出す前の位置がr[m]のとき, 小物体の加速度 a[m/s°]をr軸の正の向きにとっ た運動方程式として最も適当なものを,次の①~0のうちから一つ選べ。 10 0 ma = kx+mg の ma = - kr+mg ma = kx-mg ma= -krーmg 小物体を放してから小物体が最も速いときの位置と速さの組合せとして最も適当なものを,次の 0~6のうちから一つ選べ。 問4 11 位置 [m] 速さ [m/s] 位置 [m] 速さ [m/s] k k 0 1 -d I= の 2d、 r= d m m k 2d, k d. m の r= 2d r= m k k 6 2d4 エ=d r= 2d m m 問5 飛び出すときの小物体の速さとして最も適当なものを,次の0~⑥のうちから一つ選べ。 0 1 0a Lm/s)] 3gd [m/s] の V2gd [m/s] 2 gd [m/s] 6 2gd [m/s] 6 V3gd [m/s] 問6 小物体が飛び出した点(ばねが自然の長さになった点)から達する最高の高さとして最も適当な ものを,次の0~⑥のうちから一つ選べ。 0d Im) [u] 0 0d [m] 1 0dCm] 8 -d Cm] 6 d [m] - 38 - 000000000

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English Senior High

このページの答えを全部教えて下さい!

1. この広告に書かれていることは信じられない。 るものについて説明できる。 1日本語に合うように,( )に適切な語を入れなさい。 A® I can't believe ( )is written in this advertisement. 2. ここが、以前私が住んでいた家です。 This is the house ( Tatod od'T.f )Ilived ( tenit I ore) before. 3それは私の言いたいことではありません。 dem 19dmemat 1 S That's not ( これが、太宰がその小説を書く時に使ったペンです。 )Iwant to ( m lloT.E This is the They pen T Wordく J Dazai wrote the novel. sbisos sdd wO pabbeueg )in the closet was an old photo album. 5彼在物置で見つけたものは古いアルバムだった。 BdT ) she ( お問 の名組のがほぼ同じ意味になるように,()に適切な語を入れなさい。 A T 1 (a) De you remember John Smith? He sent us a letter before. (b) Do you remember John Smith, ( ) sent us a letter before? 2.(a) These are the shoes. Ipaid $69.99 for them. 1GuseupeL pe vab edt 1oda egpbodd sodm ). (b) These are the shoes ( )I paid $69.99( 3. (a) Cindy left Japan yesterday. That made me sad. LPP0P pom (b) Cindy left Japan yesterday, ( )made me sad. 〇飛関 4. (a) This is the company, My father works for it. (b) This is the company ( )U m w ) my father works. 5. (a) He told me to stay home. I thoughtit safer. 出 TsM )Ithought safer. I nedw 8009 al 800S (b) He told me to stay home, ( )内の語句を並べベかえて英文を完成させなさい。 総合 開希関合 3 日本語に合うように,( 1. これが,あなたが先日話していた本ですか。 Is this ( the book / about / you / talking / were) the other day? 1ert anidiyns dnaw nog 1ovgdw noy gvigl 19veisrw 2. 私はパーティーに必要なものをスーパーで買った。 (bought / what / needed / for / was /I/ the party ) at the supermarket. 3.弟が入試に受かったので, 私はうれしかった。 My brother (made / which /me / happy / the entrance exam, / passed). pouGAeL me G da.al.

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