学年

質問の種類

物理 高校生

これで、糸がAを引く力って、Bの質量と同じではないのはなぜですか?

例題 款でつながれた 2 物体の運動 なめらかな水平面上に、 軽くて伸びない糸でつ ながれた質量 47の物体Aと質量 の物体Bがあ る。A を水平方向右向きに大きさ なの力で引く と, AB は糸でつながれたまま, ともに右向き に動き出す。A, Bの加速度。 と. 糸がBを引く 力の大きさ婦を, A, B それぞれの運動方程式 を立てて求めよ。ただし, 右向きを正とする。 図のように, 人にはたらく水平方向の力は。 右 向きで大きさ万の力と糸が引く力(左向きで大き 縛りBa89う< 終が引く力(右向き で大きさ 2)である。 右向きを正とすると, A と の運動方程弐はそれぞれ次のよう になる。 Aの運動訪程式昌 2ニアーア7 ……① Bめ運動訪秩呈義22=ー29⑥) 式ひ, @を連立して を消去すると, 人 ンー =ニー Ri: 3028E772 Gaしてのニン二あ 入とを質量(47十み)のまとまった1つ の物体とみなすと, 運動方程式は. (47娘)ヶ=ニア となる。これは式①と②の _同辺をそれぞれ加えたものに等しい。 ROOTOOOPTSECOOOTTSPC 2つの物体が直接,あるいは間接に力を 及ぼし合いながら運動する場合では, それ ぞれの物体について運動方程式を立てる。 なお, 糸は軽いので, 糸がBを引く力と. 終がA を引く力は, 同じ大きさとなる (mp.50 参考) 。 の 53 ma A | 計上 7 A。Bには, 鉛直方向にそれぞれ重力とき 直抗力がはたらいてつり合っている。 水平 : 向の運動を考えるとき. これらのは運動 : 直接関係しないので区 示していない。

未解決 回答数: 1
英語 高校生

分かる問題だけでもいいので、Q4、6、7の答えを教えてください!

| 254 DATAL low. tbefore: Aa and his gon are driving roads are Covered with father ijS kileq Read the text and answer the questions be e heard ii c Consider this siory. Perhaps you have heart 隊 ecember and (he hone pole. The ne hospital AS the medical to a championship football game. 【t is late D 1 ashes into a tele snow. The car slips on ice and crashes into teMP 1 in tot Instantly, and the son, critically injured, 18 rushed 0 alks in amd say$ YT camt 1 Tr Wi 10 ting room (he doctO 0 SSSiStants rush the son to the operating 1 nt to think about he mome 9perafe, thaU's my son.” How could this be true? Pause 4 aswer before you read om rtOr 1 oy's mother. Im our Of course, the amswer to the puzzle is that the doetor 5 the boy experience, about half of the people who hear the riddle mnediately agre Out. 7 The other half are confused at first, in Jarge part because they umconSciOuS]y aSsume that doctors should be male. The difficulty of the puzzle is determmned jn large part by gender stereotypes that GSsignl to all members of a social group the characteristics that are shared by most of them. m Short stereotyDes are genleralizatiOnS. We jeamm stereotypes from many sources mcluding our farmilies, rehigion, schools, 5 and the media。 For example, (sa Tecent study amalyzed *prime-time commereials from three major TV networks to see whether any change had occurred im the *representation 9f menl and women since the 1980s. Authors of the Study found tittle change in the roles 吉 which men and women were *cast, that is, they both remained within tradiiional gender roles. hi addition, they found women appeared less oftem as primary characters 2 on most conumercjals, except im wthose for beauty and health products, The problems with stereotypes are ihat they are often too simple and they fa to llow us to see people as individuals. m addidion, negaive Stereotypes can shape our behavior, as we assume cerain things about peoples abihties on the basis of our 8eeralizafions. We should, at all costs, avoid the sisk of relying too heavily pon tnem 25 jimferpreting our world. "On MolO 72.0EAOEZOZOCEOGGGNMTON 5 緒 riddle なぞなぞ. 判じ物 primeime ゴールデンタイムの Jepresentaton 措与, き cast だ役を剤り当てる

回答募集中 回答数: 0
英語 高校生

この文章の和訳教えてください お願いします😭

B Section 4: Readthe folowing passage and answer the questions below. (16pts) Over time. ve become increasingly aware that he worid is dided into people(1) (CD waitfor のgive them ③1o do ④Mhey want to do ⑥he lhings ⑦ permission (others to ⑨who ) and people who grant hemselves permission. Some look inside themselves for motvatlon and (2) (the other anolher / others ) wait to be pushed fonward by oulside forces. From my experience.(3) there's_a loLto be said for seizing opportunities instead ofwaling for someone to hand therm to you. There are aways white spaces ready to be fled and goden nuggets ofopporuntles Iing on the ground watting for someone to plck hem up Sometimes it means looking (4) Yourown desk (9 your bulding.(a the seet around the comer. Butthe nuggels are there for the taKing by anyone (5) (w t gather hem up (1) Tne words in () are notin he lght order Rearrange the words(①こ⑨) Io match the Japanese Translatlon、「自分がやりたいことをする許可を他人が与えてくれるのを待っている」 Write your answerin numbers(①ご⑨) in order (3pt) ⑱⑨-① -⑧ -@ - の. ③⑧- @⑯ -@ -@ ⑫) Choose the most suiable word to complete the sentence and wrte your answer below. (1pU) others. ⑬) Choose Ne corect Japanese meaning orihe underined phrase in INe passa9e and Chole he ppropdate number below (①ー④) (2pts) には利点がたくさんある 。 ②には多くのことが言われている 879 ④~の運命だと言われている 。 ④ くじ引きがあると言われている

回答募集中 回答数: 0