想請問13題的第一小題 謝謝🙏 看不懂詳解圈起來的地方 為什麼是用甲的速度算而不是乙的

12-13題為題組 兩物體碰撞並與彈簧作用的運動 甲 粒 甲乙 r www. (a) ▲圖(b) 12. 大小相同的甲、乙兩個均匀物體,質量分別為3m、m。 甲物體自靜止沿固定於地面的光滑曲 面下滑後,與靜止在光滑水平地面上的物體發生正面彈性碰撞,如圖(a)所示。若甲物體的 質心下降高度為h,重力加速度為g,則碰撞後瞬間,甲、乙兩物體的速率各為 Nagh 3 sgh. (以m、g、h表示) <109指考》

請問它是把that省略了嗎🤔 that什麼時候可以省略？

I had been waiting for the first day of high school to come, so I could meet new friends and start a new adventure. The night before that day, I made sure _11_ everything was ready 11 I looked just perfect before I happily went to sleep. _12_, when I looked at myself in the mirror the following day, I saw something terrifying. There _13_ a giant red zit right on the tip of my nose! How could this happen? I decided to 14 school because people would laugh and say mean things. However, my mom wouldn't let me. It felt like the end of the world! Now people would 15 me the "freshman Zit girl." 16_ To my surprise, that day 16 and I didn't hear anybody whispering about my pimple. When I reached the eleventh grade and mentioned this experience to my best friend, I realized that most people only care about their own problems and have no time to think about 17. It was such a relief to me. Now the zit story is _18_ more than a funny experience. I will always remind myself to be more carefree. BAC 11. (A) X; and that (B) that; and (C) X; so that (D) that; so

求詳解

14.彈簧振子 A 的質量為 2 kg,理想彈簧的彈性常數為 30 N/m,在振子 上面放置一個質量為 1 kg 的木塊 B,如圖所示,使木塊與振子一起在 光滑水平面上作 SHM,振子與木塊間的最大靜摩擦力為4.9 N,為了 使振子與木塊間不發生滑動,則振幅的最大值約為多少cm? (A) 49 (B)32.7 (C)24.5 (D)16.3 (E) 9.8 --:70 12.7 O eeeeeeee *

這篇看的有點矇 想請問是真的那些單字有一字多義的這些意思 還是這題出題有錯誤

in an ng S ge 1. er DAR 三、文意選填(占10分)(請忽略大小寫) 品牌 019W 第21 至 30 題為題組 The 29. doum Den (A turns out (B) come across (F) accomplishment (G) in addition elod Societies and cultures are continually adapting, and long-practiced customs are disappearing. One 21, that is slowly fading out of practice is the Swedish custom of Fika. 22. the habit of grabbing 年銷 a latte at Starbucks on the way to work, Fika is a true coffee break. On a Fika break, a person spends 1–2 hours forgetting about work and enjoying their companion, whether it be a friend or a novel. Unfortunately, this 23. custom is in danger, and not just in Sweden. The fast-paced, high (n)擁有物 財產 pressure world we live in today has made time a precious possession. Our ambition to be successful 無義急 often makes it seem like there are no worthwhile reasons to spend that time on anything as pointless as a survive ( their success at work 14 cup of coffee. We devote all our energy to our career, and many people 24. with success in life, We 25. spending more time with our clients than we do with our friends. We 26. have time for family. tovi Fika, on the other hand, is about separating our li so. And M what work, we are 21. 26. IC AH » on the other hand, is about separating our lives from our work, even if it's just for an hour or 22. 27. HB (C) that 27. Fika, there are no rules. It can be done at home, in a park, or on a train. It can be done 2900F HONE with coffee or tea, with or without a sweet dessert. Its only_28. is that one removes oneself from the HIBE daily grind for a brief escape below average (#4) piqor ST (C) disgusting A. (D) varied (H) amazing A (I) rewarded Hi boug ++# / 847) De moments. We can connect with people we care for and who care for us in return. And when we return to 30. be more productive and focused. Perhaps it's time for you to schedule a Fika break. CI BE 25. JA GE 23. R 30. E.G. into varied (47 (n) Huomib of a Fika break are numerous. We can step away from job pressure for a few brief con 28. brush to 73 mish gri (D) take part in (D) where V. (1) below average FJ T 78 A(E) survive 24. 29. SON itsn seitseng ait ol tosido vlamorta enorgiler

這題！🙏🏻🙏🏻

2.右圖中,紅色虛線為一跳水選手從起跳到落水的運動軌跡,則該高 選手的重力位能的變化應為下列何者? (A) 一直變小 (B) 一直變大 (C) 先變大再變小 (D) 先變小再變大 SHMASI (ED) 音 動凸起更地勢团 飾當非,更數的

求解 🥲

1莫耳化合物 CH,N, 和 O, 完全燃燒後,產生3莫耳 CO2、3.5 莫耳 H,O 及 0.5 莫 耳,則下列何者爲此化合物的化學式? MO N (B) C3H₂N₂ (C) CH⑥N (D) C₂H₂N DSHMA (A) C₂H₂N L XAJ

請問28 29 怎麼判斷

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各位好，想問一下我這樣寫有沒有文法上的錯誤或是哪裡很奇怪可以改正的？我要講一分鐘的口試～題目是 Why people from another country should visit Taiwan？

First, Taiwan's crime levels are on par with Japan and violent crime is extraordinarily low, Crime rates are less than half than that of the U.S., Australia, Canada, or the U.K! Second, Taiwan is justifiably one of the best food destinations in the world. There are many must-try Taiwanese foods, including Taiwanese hotpot, beef noodle soup, bubble tea, and the infamous “stinky tofu”. You can find amazing food at small family Taiwanese restaurants, and food in general is very affordable. The least but not the last, Taiwan has the world's friendliest people. According to Expat Insider, Taiwan was rated 1st out of 64 countries in the Expat Insider 2019 World Survey, and the friendliest country in Asia.

求解 這樣寫有錯誤嗎？ 可以告訴我錯在哪裡 想把英文學好🥺 真的非常謝謝！

Supporters for of corporal punishment claim that physical discipline is necessary developing a child's sense of personal responsibility. Justice Powell, a former U.S. Supreme Court justice, has even said that paddling children who misbehave has been an acceptable method for promoting good behavior and responsibility school children for a long time. Some people worry that stopping corporal punishment in schools could result a decline school achievement. However, just because a student for in a decline for

求解 找不出其他的的三個錯誤在哪裡😭

Practice 7 Editing for Errors There are seven errors in this paragraph. They are in word forms (1), articles (3), sentence fragments (1), comma splices (1), and subject-verb agreement (1). Mark these errors and write corrections.