中3です。 合力と分力の関係でタイヤを2人で持ってると考える時、2力の角度が小さくなると合力が大きくなり、引っ張る力が小さくなる理由が分かりません。 結果は暗記すればいいのですが、その内容を詳しく知りたいので教えてくださいm(_ _)m

至急教えてほしいですお願いします😭😭

believe that something is true B. Complete the paragraph with items from the box. Two items are extra. astronaut conduct consider launched limited to planet resulted in so far technology the time being missions trip People have been interested in the planet Mars since ancient times. Because of the distance of Mars from Earth, sending a rocket to the (1) today. For (2) is not possible exploration of Mars is (3) unmanned spaceships. There have been several spaceships which have made the (4) and sent photos back to Earth, but (5) on the surface. The most famous of these (6) which was (7) was like a robot car, was able to (8) stopped working. to Mars only a few have actually landed was the Mars Pathfinder, in 1996 and landed on Mars in 1997. The Pathfinder, which a lot of useful research before it Some people (9) that space exploration and sending spaceships to other planets to be a waste of money. However, others think that the (10) is created, and the information that is learned, is good for all people. Review 16 - 20 91

what which〜he observed の部分訳が「これら2人の科学者のそれぞれが観察したと思ったことに関して」になっているのですが「これらの科学者2人が観察したことについてそれぞれ考えたことに関して」では意味が変わってしまいますか？

24 Luckily, we have some record of what each of these two scientists thought he observed, and it is instructive to compare their private notes, if we are to understand the reasons for the great differences between them.

下から2行目のtoo many はruffingを修飾しているのでしょうか？教えて頂けると嬉しいです。

(b) (2) A team led by scientists from the University of Strasbourg in France has built a rover that looks like a fluffy penguin chick, allowing it to sneak around Antarctic colonies and get close to individual birds without ruffling.too many とり 1545 feathers along the way

関係詞の分野です。至急解答をお願いします🙏

2. There was something about his story ( 1 what 3 which 5. Towns ( 1 where 1 次の英文の空所に入れるのに最も適切な語句を,下の①~④から一つずつ選びなさい。 you 1. Do customers ( ) smoke in restaurants bother ? 2 when 3 to ④ like 関東学 1 who 6. I saw a horse ( 1 which 3. Ken didn't believe ( (1) however 3 that ante leto s juo bemut radiour well as 4. You are the only man in the world ( 2 which 1 whose 3 that 演 10. ( 8. I never saw Brando again, ( 1 which 2 what 9. John insulted Mary, ( 1 that 1 When 11. That was the 1 where EXIS ) Jane said. said 7. There was no comment from the two ladies ( birl 1 of whom 2 who 3 whom 14. The office ( 1 what 習 ) attract tourists are usually crowded. Tur 2 which 3 to which 2 As Jeni evinos year ( a) coat was brown. 2 its 15. Ghibli Museum 1 where 2 which 2 whatever 4 whichever 13. This is a photo of the house ( (1) where we lived in 3 with which we lived go (2) some 4 everything frignon I ) I can call son 3 whose 2 which Yunum 901 is a place ( 問 ) made me suspicious. bine ) I would never do. 12. This must be the novel Mr. Matsuyama ( had referred in Ianor 3 referred to in 2 to where ) was a pity. 3 whom 4 what 3 who thin wal ) is often the case with her, she broke her promise. 3 It TRIGE SK ) I was born. 2 into which 3 in which TE my friend. 4 what ad ar 4 in which c we lived in to ono al mogel that ) I want to visit. 3 to which 4 where 2 had referred to 4 was referred to (拓殖大) I thought were sure to protest. 4 whose (神戸女学院大) gs way of 4 There suig eyewie vor T ) his lecture. 19vsodw 4 at which ) before we moved to Osaka. 2 we lived bed ) I work is on the top floor of the building. 3 where 4 in that and sli (京都産業大) 4 which (駿河台大 (桜美林大 (皇學館大) (関西外語大) (立命館大) ITI (東海大) (大阪経大) (甲南大) (大阪学院大) (西南学院大) (杏林大)

これ 最初読んだとき 「化学を元にした石油」と訳したのですが 「石油を元にした化学物質」でしら oilとbasedの間に「-」がついていると どう違ってくるのですか？

第1文 たいていのプラスチック製品は作られる Most S で石油を原料にした 化学物質 plastics are made (of oil-based chemicals). V (受) M

絶対温度が100+273になるのはなぜですか？？ 273+27がだめな理由を教えて欲しいです

□□□ 247 気体の分子量 ある純粋な液体を, 内容量 500mLのフ 実験 ラスコに入れ,小さな穴のあいたアルミニウム箔でふたをした。 これを右図のように沸騰した水 (100℃)につけて完全に蒸発 させた後,室温(27.0℃)に戻して液体にした。 この液体の質量 を測定すると,1.86g であった。 大気圧を100 × 10Pa として, この液体の分子量を整数値で求めよ。 ただし, 気体定数R= 8.31×10Pa・L/ (K・mol) とする。 アルミニウム箔 沸騰石 251 実 ヘリウ し、二酸 くなる。 ( (ウ) 数が( 状態方 身の BB

添削をお願いしたいです！（画像が送りきれないので回答者の方が返信したら追加で送ります） 自分の解答↓ 短い時間、レンジで加熱すると心臓病のリスクを下げるフラボノイドを増加させることができるが、長い時間加熱したり多すぎる水の中で加熱するとむしろフラボノイドは低下してしまう。た... 続きを読む

一般に,電子レンジでの調理は,他の調理法に比べると栄養素 16 の保持には好ましいとされるが,調理時間が長かったり、多量の 水を使って調理したりするとブロッコリーでは心疾患のリスクを減らす フラボノイド類が減少するという報告がある。 ただ、食材によって栄養保 持の結果はさまざまであり,統一見解はない。電子レンジ調理にプラスチ ック容器を使うと, 可塑剤のフタラートなどの化学物質が溶け出すが, こうした物質は微量であってもホルモンや代謝系を乱すほか、 生殖問題や ぜんそく, ADHD との関連性など,さまざまな悪影響を及ぼすことが指 摘されている。また, 高温になる電子レンジでの加熱で分子の結合が変わ り,新たな高エネルギーの分子が作り出される。 これがDNA と反応し て突然変異を引き起こすとされており, ジャガイモを電子レンジ加熱した ことで,発がん物質として働くアクリルアミドが生成した例が報告されて いる。(400字以内)発 当 解答編

Conté cut a groove out of an entire wooden stick rather than first cutting a piece of wood in half l ike the English did. 「イギリス人が行ったようにま... 続きを読む

carbon. It was aphije. Chemistry was a young scientific field in the 1500s, so the locals couldn't have known exactly what they found. They did notice one crucial fact about the new material: the graphite made a darker mark on paper than did lead, which had been used since Roman times. So they called it black lead. English people

一枚目と 2枚目の3.4.5は合ってますか？違っていたら教えていただきたいです

3 Grammar Past continuous questions; reflexive pronouns) 3.29 Simple past Reflexive pr Did you hurt yourself? Yes, I did. A Past continuous Were you skiing with a friend? No, I wasn't. I was by myself. What were you doing (when you fell)? I was talking on my cell phone. What did you do? I called for help. A Complete the conversations with reflexive pronouns and the simple past or past continuous of the verbs given. You He She We They 10° qu Al 1. A What's wrong with your finger? Did you cut yourself? B Yeah, I accidentally cut myself with a knife. A Oh, Did you make (make) dinner? 2. A My father hurt_himself____ at the gym. B That's too bad. Did__he_life (lift) weights? A Yeah. A lot of people hurt themselves on weight machines, I guess. in