求這一題 謝謝🙏

【類題】一 質點以初速度vo=3 m/s,沿+x方向離開座標原點(0,0),已知其加 速度a=-i-j(m/s),其速度與時間之函數關係為y=(3-t)i-timers), 則試回答以下各小題:(1)其位置與時間之函數關係,即f(t)= ? (2)何時質野達人 大之x值?(3)當質點達最大之x 值時,其切向加速度與法向加速度的大小為何? [Ans) (1) -- +30i-Fi)jm;(2)35;(3) mus、Ints 2. 3. 二

請問圈起來的部分 為何T-mg=m•v^2/R T-mg可以理解 但不太懂等於後面的東西🙏

052 ILL 30° UFCWTW) ) 10. 如右圖所示,有一質量為2kg的球,繫於一長為20 cm之繩索一端,繩之 另一端則掛於天花板上,某人將此球拉高至與天花板成 30°時鬆手。設 g=10 m/s?,則此球向下擺至最低點時,繩子的張力為40 NT-9 Angh=1 h) v = 12gh = 2x10x01 = 52 go to 110 Th=10 之 MA ng. T-mg = m. ve Ting timer B = 207 28 2 共 a2=40 Mais *

求解這篇閱讀 感覺看不太懂 謝謝

A) imagine ) 24. (A) turn off D) 25. (A) chase (B) overcome (B) pay off (B) chased (C) rescue (C) take off (C) to chase (D) at (D) entertain (D) get off (D) chasing N. 文意選填:10% C. (A) hardship (B) serve as passion (D) begin with (6career I have a big secret. Please help me keep it. You can't tell anyone, or they may stop me from achieving my dream. Maybe I should 26. the dream itself. Once you have heard what it is, you'll understand better why I need to keep my secret. In short, the dream I have is to 27. a soldier. I want to protect my country and its people. That is my 28. I don't want a brilliant 29. with lots of medals and things. I just want to keep my land and my family safe. I want to do this just as other soldiers do. However my true identity may cause great 30. for me. My name is Mulan, and I'm a woman! 28. 29. 26. 26. D 27. E 30. 1. 閱讀測驗:9 The business meeting was a disaster. Walt Disney, at the time still a young and unknown cartooni 61002S2

求解這篇閱讀及36題不知道如何填寫 謝謝！

右食 F5 On December 15, 1966, Disney died of lung cancer in California. In his life, Disney won twenty-six Academy Awards* and fifty-nine nominations*, making him one of the most awarded individuals in the twentieth century. 註:ambulance 救護車 restore 恢復 Academy Award 奥斯卡金像獎 nomination 提名 ( C) 34. What don't we know about Walt Disney after reading this passage? (3%) (A) What he did during World War I. (B) What Ub Iwerks did for his company. (C) How he established Disneyland. (D) How many Academy Awards he received. -) 35. Where can we most likely see this passage? (3%) (A) In a tour guide to Disneyland. (B) In a history book about World War I. (C) In a book about famous people's lives. (D) On a website introducing the Academy Awards. 36. Below are the major events in Walt Disney's life based on this passage. Write down the years match Disney's life events. (5%) 6 ( Y A) 35. # G了 BI Died of cancer. Joined the Red Cross. Born in Illinois. Dropped out of school. Created Mickey Mouse.

中間all that different 的all 和that是什麼意思？

Skinner explained that while humans understand timers and automatic machines, birds do not. Therefore, 19 the pigeon was doing when food was first released, it recreated this Mlatino we get a desired result, we try to 20 the actions leading up to it. It's a simple explanation, but an honest one. of boda bisa alla Diar action to receive another dating ríte psychologist said humans weren't all that different. When 2 2

中間all that different 是什麼意思？

Skinner explained that while humans understand timers"and automatic machines, birds do not. Therefore, 19 the pigeon was doing when food was first released, it recreated this action to receive another Seatino rite psychologist said humans weren't all that different. When we get a desired result, we try to 20 the actions leading up to it. It's a simple explanation, but an honest one. bebiscale 07 BDO n 1

請問各位推薦哪一個？ 番茄todo我找不到

18:42 勤 貸 信中 竺 全 [番茄鐘 以 必 4.0+ 女 4.5+ 女 編輯精選 付費內容 人 小番茄: 番茄工作法 & 任務清單 & 番茄鐘[. PomodoroTimer & To Do List - SuperElement Soft 4.6雪 回 100萬+ 陽: 蝦)、 ‧ 發條番茄鐘 phtam ‧ 效率提升 4.2雪 50萬+ 番茄打卡 - 記錄時間、記錄習慣 PomodoroTimer & Habit Tracker - Studio ‧工具 4.3雪 5萬+ Forest 專注森林 Seekrtech ‧效率提升 4.5雪 1000萬+ @ 編輯精選 時間截 - 番茄工作法| 時間記錄器| 管理自. TIMW。工具 4.3 回5000+ 時間花園- 專註種樹遊戲化 ; 使用番茄鐘.. Shikudo - Fitness and Focus Games‧ 效率提升 4.5玄 10萬+ PomodoroTimer Lite Tatkov Lab ‧ 效率提升 4.7雪 100萬+ Minimalist Pomodoro Timer (Goodtime) Adrian Cotfas ‧ 效率提升 4.5去 50萬+ 軸eteogpkK 9多 @ 山 QO 《