この問題の構造式を教えていただきたいです

問12 次の図は、 分子式が C10H12O2 (分子量 164) であ 5 る化合物 C の 1H NMR (300MHz, CDCI3 溶媒中で測 定)、および IR (液膜) スペクトル図である。 また、 EIMS 測定では、基準ピークとしてm/z 149 が観測さ れた。 これらより、 化合物の構造式を書け。 なお、 1H NMR スペクトル図中には各ピークに相当するプロ トンの積分値を示してある。 1H NMR 2H 2H 2H ↑ (ppm) 8 7 6 5 IR 3750 2983 13C 3000 3H 2cm 3H IM H 1 0 C-O-CH I 1677 wwwwwwwtown wh 1750 1250 1000 (cm)

至急お願いします。 英語の穴埋め問題なのですが教えていただきたいです

Part 5: Incomplete Sentences A word or phrase is missing in each sentence. Select the best answer to complete the sentence. 51. Mr. Egan has offered New York. (A) making 52. (C) made the restaurant reservations for the annual meeting in (B) to make (D) being made A B C D low gasoline and diesel prices, the oil company plans to keep on expanding its domestic distribution operations. (A) Between (C) Except 53. Contrary to trip. (A) where (C) what (B) Despite (D) Unlike A B C D he actually had in mind, Lester spent all of his savings on his (B) which (D) that A B C D 54. In today's digital business world, IT networks must respond to progress in technology. (A) quickly (C) quickness (B) quick (D) quicken A B C D 55. We guarantee that delivery will be made 10 days after you place an order on the Web. (A) within (B) for (C) by (D) onto A B C D 56. The president team. the manager to hire three new employees for the accounting (A) intended (C) offered (B) provided (D) permitted A B C D 57. It is admirable that Ms. Arroyo wishes to handle all the transactions by (A) one (C) hers (B) her (D) herself 12 A B C D

答え教えてください🙇‍♀️

次の各文の( )内の動詞を過去完了形か過去完了進行形に変えなさい。 1. We (play) chess for an hour when he came. 2. She said that she (never see) a rainbow. 3. The concert (already begin) when I arrived. 4. I (stay) in Rome before I came back to Japan. rw help him: I 次の各文の( )内の動詞を未来完了形に変えなさい。 d 1. She (move) by the end of this month. 2. I (buy) a new smartphone by next Wednesday. 3. Next July we (live) in Chicago for 15 years. (had heen misqe had neve Chad alread ( had S ( will hav ( will ha ( will have

運動方程式はmと2mの物体とで加速度は異なると考えるのでしょうか？ 1と2を教えていただきたいです。 お願いします。

D 図3 C (3) 瞬間中心を図に記載せよ。(12点) 瞬間中心には対応する機素に対する記号をつけること。 12[m] m[kg] 5. 図4に示すように、振り子の一端に質量 m[kg] のおもりが 取り付けられ、もう一端に質量2m[kg]のおもりが取り付け られている。 振り子の回転中心から質量 m[kg]のおもりの 中心までの長さを [m]とし、回転中心から質量2m[kg]のお もりの中心までの長さを4[m]とする。 振り子の回転角度を [rad] とし、重力加速度を g[m/s'] とする。 振り子の腕の質 量は無視できるものとして、次の問いに答えよ。 (1) この系の運動方程式を求めよ。 (5点) ///// 4[m] [rad] g[m/s²] ~2m[kg] 図4 (2) L=21および2=1のときの振り子の角加速度を求めよ。 (5点) 2 mr 2 (3)において、 を長くしていくと振り子の最大角加速度はどうなるか。 (4点) - 6. 図5に示す質量m[kg] の物体1の壁側の端にバネ定数 k[N/m] のバネが取り付けられ、 他端にパネ定数 付け

この問題を解いていたのですが、問3で写真のように出てきていらない項が出てきてしまいました。どうすれば良いのでしょうか？教えていだだきたいです。

4.を2以上の自然数とし, 関数 f(x) = { [x], x ≤ n, 0, |x| > n を考える.ただし, [a] は α以下の最大整数を表わす.. -itx を求めよ. —=—= √ ƒ (x)e¯** dx, − ∞ < t < ∞ ***k. 2πT (1) f(x) のグラフを描け. 1 (2) f(x) のフーリエ変換f(t) - So 1 /** cos(Lt) dt 8 n 1 k=1 (3) 1 <L<2とする (2) の結果を利用して, 等式 П n-1 sin (nt) s(t) dt = 1 + sin(kt) cce(s) de sin(nt) cos(Lt) t が成り立つことを示せ. n - مر t

この問題の途中式や解き方がわからないので教えてほしいです！ 答えは右の写真です！

15-12. n-y平面上の質点の運動をx=rcosb,y=rsin 0 で定義される極座標r, 0 で表わす. dx dr do (a) および dy dt ,,0, および を使って表わせ. dt dt dt 15 10 do (b) 質量をmとして角運動量の大きさを,r, 0, および を使って表わせ. dt dt (c) この式は,位置ベクトルが動いて描く扇型の面積に関係していることを説明せよ. EXIO 40 地 dr

造影MRI時に使用する、造影剤量が少量で良い理由を教えて下さい🙇🏻‍♀️

ここの式変形を教えて欲しいです、よろしくお願いします

mr²ö – krx + kr²0 = 0 mx + 2kx − kr0 = 0 (5) 運動方程式の解を = @ejwt = Xejor 0 X

答えを教えてください！ よかったら，根拠も教えてください

la vitbl Questions 4-7 refer to the following letter. January 10 Ms. Erin Murphy Customer Service Department Westcoast Airlines Major Miles Program 345 Brook Street Dallas, TX 75218 Dear Ms. Murphy, As per your request during our telephone conversation on January 8, I am sending you Los Angeles International Airport last December. Please note that my ticket was upgraded itinerary and ticket number for my recent roundtrip flight from JFK International Airport business class with a Major Miles Gold Class voucher and should therefore be eligible f full business class mileage credit. 62 Section Il over 15 years. I must confess that I find the new restrictions to your flight voucher pla I am a Gold member in the Major Miles program and have been a Westcoast customer 1 genuinely confusing. I fail to understand why the burden of proof for my mileage cred rests with me. Shouldn't this information be on your ticketing computer? This was my itinerary. MD My ticket number was #YB42565697. Departed JFK, December 22 at 10:20 for LAX Returned to JFK from LAX on December 29 at 16:40 My seat number was 14B. 7B My Major Miles number is # 04356721 (Gold Card). I sincerely hope that this issue will be resolved quickly as I am counting on my miles eame during this trip to upgrade my hotel room next May. Thank you very much for your attention in this matter. Sincerely Yours, Jarrod Watkins Jarrod Watkins 4. 5. 6. What does Ms. Murphy do? (A) She makes airline reservations. (B) She deals with unhappy customers. (C) She issues new tickets. (D) She upgrades people to business class. What is the purpose of this letter? (A) To upgrade his ticket to business class (B) To buy a flight upgrade coupon (C) To complain about his seat reservation (D) To receive more mileage credits How does Mr. Watkins feel about the new frequent flier program rules? (A) He would like them to be simpler. (B) He believes they are unfair. (C) He finds them to be convenient. (D) He hopes that they will benefit hold Card members more. Which of the following is NOT mentioned in the letter? (A) His ticket number (B) His frequent flier level (C) His credit card number (D) His flight information inq M:8 big en enthovenot cold w lar hud,mq 01X in jord is di Hal Unit 2: Letters, E-mails, & Text message chains 63

TOEICの代名詞の問題です。答えを教えて下さい🙇‍♀️

ローマ字 Unit 2 Dining Out Warming Up 正しい選択肢を選び、文を完成させましょう。 b. They) are from England. b. her) every Monday. 1. (a. He 2. I see (a. she 3. That's (a. my b. me) coat. 4. Bob is a friend of (a. ours b. us). 2. The chef cooked a special dinner for (A) we (B) our (C) us (D) ours Give me some water. 他+目 Testische for us 前+代名詞 Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. don't need a reservation for Pietro's Pizza. (A) You (B) Your (C) Yours (D) Yourself 3. Bob Flemming is selling - (A) he (B) his (C) him (D) himself 12 seafood restaurant. 4. Mrs. Rogers bakes fresh pies, and her customers love (A) they (B) them (C) their (D) theirs 5. The Sunny Café owners will open shop in Seattle. (A) they (B) them (C) their (D) themselves 6. Mary owns the restaurant with a friend of - (A) she (B) her (C) hers (D) herself 7. Customers enjoyed - at the Fireside Restaurant. (A) they (B) their (C) them (D) themselves 8. Barney's Kitchen has a great menu for couples and ------ (A) they (B) their (C) them (D) theirs children.