求第十題！！！

0769-894 4281-8888 9801-0667 IN 重 801-8928 MIRAL 商品 门实 162 國中自然(四) (A)減少對地面的重力(B)減少對地面的摩擦 (C)減少對地面的壓力(D)減少對地面的扭力 月日 6. 坦克車以履帶與地面接觸而行,是為了下列何者? 7. 壓力的定義為「單位面積上所受的垂直作用力」 位,則下列哪一個為壓力單位? b A uni T(A)(B) (c) (D) a D? AB 王 A ,設a為長度單位,b為力的單 8. 有一長、寬、高各為5cm、4cm、3cm的木塊,密度為0.5g/cm²,當平放於桌上 時,產生的壓力最大值為多少gw/cm²? 5x44510.5 (A) 1.5 (B) 2 (C) 2.5 (D) 3 3x4 9.如右圖所示,一質料均勻的長方體鐵塊,若依序以甲、乙、丙 面接觸於桌子,三者對桌子的壓力分別為P、P、P丙,則 P甲: P乙: P=5.x ? 12: TS x :20 (A) 12:15:20 (B) 20:15:12 (C)3:4:5 (D)5:4:3 5×0.5 5cm 152 4cml 丙 20 3cm 10. 李平與李安兩人分別以500gw之力相向互推一截面積為10cm²的實心圓柱兩端, 則該圓柱所受的合力與壓力大小分別為何? (B) 0gw,100gw/cm² (C)1000gw,50gw/cm² (D)1000gw,100gw/cm² (A) 0gw,50gw/cm² 11 如右圖所示,一物體靜止 甲 5 在地面上分別受到大小相 等的甲、乙、丙三力,則 受到哪一個力時對地面會造成比較大的壓力? (A)甲(B)乙(C)丙(D)三者相同, 丙 乙 教室 16 如右圖所示,同一鐵 P甲、乙、丙,則三者 (A)甲=Pz=P丙(B) (C)P甲 <P><P丙 (D) B 活塞垂直施以46 1)12.如右圖,已知A活塞 多少 kgw 的物體 (A) 10 (C) 100 (B) 16 (D) 160 1)18 小武拿了一個氣三 下列哪種狀況? (A) (B) 1) 19. 若某水池的長 後的池底所受 (A) 2 (B) 4 )20. 如右圖,在青 向下壓力( 何? (A)PE=P下 (C)P下>P在 21 一容器裝 原本

要怎麼展開變這樣

(2p-p²)" = p" (2-p)"

高一化學 有一個定義上的問題想請教大家 就是溶液的定義是：單相的均勻混合物 但是為什麼像是霧(氣 和液) 、煙(氣和固)等…，由兩種不同相態組成的混合物，也可以定義為溶液？ 謝謝回覆

求解

08 205 (3 ONE niz (C) (重) 01.me ⑦直三個限不 001 aia (0) 01 nie (8) (01-nia (A) 14. 若點 P(sin0,cos 0) 位在第二象限,則點 Q(sin(270°+0),tan(180°-0))位在第 2象限。

算條件機率時可以因獨立事件而無視條件ㄇ

求解！

V will expect ) 2. Last year, the festival attracted many people, and the number of tourists is a peak on the day of the fireworks display. reported (A) that reached (C) to reach (B) to have reached 討厭 (D) that has reached

求解！

4 A 1. In the movie, the Harvard-t bate lawyer leads a perfect life, but a heart- secret about his past is revealed and ruins everything. (A) educated; breaking (C) educated; broken his past ast is rev (B) educating; broken (D) educating; breaking #STO

求B,C詳解 p232

因初探 ④生活素養題 18 近年來隨著數位浪潮來襲,人類的生活模式產生劇烈變化,許多產業亦逐漸面臨轉型。有 些工作正逐漸消失,某間人力銀行於 2021 年調查顯示,7個職務工作正在快速消失,且該 C類工作的薪資中位數處於相對低檔的水準。根據題幹和下表分析,下列敘述何者正確? 围:薪資中位數是將勞工薪水由低至高排序,位處中間者的薪資即為薪資中位數;相較於 平均數易受極端值影響,薪資中位數更能反映多數民眾的薪資狀況。 職 2021年1~8月平均每月 工作數(全職與兼職) 以前2人→1 5年同期 最近5年薪資 減幅 (中位數) (室內)電話與電報機裝修工 -81.3% 3.5萬 珠心算老師 *註:電信公司視需求自行專案招募 4 -67.7% 2.55萬 B本電臺主持人折 米6 A -65.8% 3.2萬 家庭代工 手工打版師 86 -47.2% 2.35萬一 派報生/傳單派送 林木伐運工作者 140 203 2 -31.6% 3.5萬 -29.4% 2.6萬 2 -18.2% 3萬 (A)這些職務工作的消失與我國的景氣循環具有密切關係 (B)以電話與電報機裝修工在五年內的職缺減少數量最多 (C)對勞動需求衰減的預期心理,使該類型勞動供給將減少 (D)政府可藉由增加媒合機制,幫助這些職務工作免於消失的困境

請問第七題怎麼解

WISDOM ENGLISH broader of the D Talk their iver als. out of d Unit 8 Ban-Doh: The Most Authentic Taiwanese Eating Experience a student exchange program has really opened my eyes 2 the cultural differences between my country and Taiwan. One of the most memorable parts of my trip was when host family invited me to a wedding banquet in Kaohsiung. my 3 arriving at the banquet, I soon realized that it was totally different from what I'd expected. Back in the US, banquets are usually held in large dining halls. This one, taking place right out on the street! 4 was tent occupied nearly half the street. However, none of the pedestrians or the people in passing vehicles looked like they cared. Under the tent, guests sat at large round tables, chatting cheerfully. At one end of this temporary tent, there were cooks and assistants up shelter all the guests from the fierce sun, a huge delicious-looking food. 7 6 energetically to prepare platters of quite curious about how this fascinating custom of "open-air" banquets had first come about, I asked my host parents. The host father explained that this kind of banquet, known as a "ban- doh" in Taiwanese, 8 in the countryside. In the old days, when people gathered for a special event such as a wedding or an elder's birthday, everyone in the neighborhood would 10 9 to a ban-doh. The host would prepare all ingredients for the meal, and the neighbors would help out. Some would do the cooking, while others might provide tables, chairs, and eating utensils or assist in other ways. They would then all relax and enjoy the banquet together. The ban-doh back then was all about enjoying a sense of community and togetherness. Having the chance to experience this fascinating event, I feel truly lucky. It is the first story that I will share with my friends and family when they ask me about my student exchange experience in Taiwan. (A)1. (A)Taking part in 0809 (A) backward 4 (0) 3. (A) Upon B)4. B) 5. (A) Putting (A) In other words (D) in front of Until (D) In particular (B) Took part in (B) toward (C) Takes part in (C) regarding (D)Taken part in (B) as soon as (B) on the other hand (B) Put the moment (C) additionally (C)To put (D) Have put B) 6. (A) work (B) working 7. (A) Were (B) Feel XC) t (C) Being to work (D) worked 8. (A) originate (B) originating (C) to originate (D) Felt (D) originated (9. (A)cooperate (B) introduce (C) initiate (D) correspond ) 10. (A) revenge (B) arrange (C) arrest (D) commit

想問一下這個要怎麼變極座標

0 1-2 sin 112, -2 cos 112°)