物理 高中 1天以前 解答上說小球在水平方向不受外力作用所以質心水平位移為0,但是碗壁不是會給球正向力嗎?碗不是應該向右移嗎? ACD 如右圖,一個質量 m 的小球自半徑為R的半球形碗邊 緣靜止釋放,若碗與地面、小球與碗之間的摩擦力 略不計,已知碗的質量M,則下列敘述哪些正確? (A)小球滑至底部的過程中,小球與碗的質心水平位移為 零 (B)小球滑至底部的過程中,小球與碗的質心鉛直位移為零 (e)小球滑至底部的過程中,碗的位移量值為 mR m+M R 2mR 容量 (D)小球滑至碗另一端最高處的過程中,碗的位移量值為 (E)小球滑至底部的過程中,小球與碗的質心位移量值為 m+M MR m+M 。 〔明倫高中] 待回答 回答數: 0
英文 高中 2天以前 請問第25題為什麼不能選B🙏 of the United 全新試題 建國中學 鳳山高中 ◎第四段課文重點 (B) in show love for others (C) through TV programs. (D) upon 全新試題 (1)介系詞應用 (2)副詞應用 (3)名詞子句 23 23. Studying history (A) likes (B) dislikes traveling in time to the past; we can learn from the past and avoid making the same mistakes. 全新試題 (C) is like (D) is alike and achieve more. 新營高中 (C) farther (D) further (24. I ask you to keep climbing because you will see (A) far D③The 25. The plan change it. (B) fur we expand our business all over Asia sounds risky, so I think we should 全新試題 different (A) that 新試題 III. 綜合測驗 are very ※第一篇 峰高中 高中 (B) which (C) what (D) about which 1. to Established in 1984, TED is a nonprofit foundation that helps spread new ideas around the world. In the beginning, the foundation held conferences and invited thinkers from many different come and speak. Some speakers were experts and researchers in medicine. Others were knowledgeable 2. were highly respected giants in business. Each of them was given eighteen philosophers. minutes to present their ideas. The speakers' talks were filled with valuable and fun insights that often audiences with knowledge 3. entertainment. popular. 4. they did not really start a revolution of 尚未解決 回答數: 1
數學 高中 2天以前 想請問 第三張照片的x-5是表示什麽意思 範例 沒下 = 4x4 =16 > 21 <配合課本例題9、講義課後練習15 12 高一甲班有42 位學生,根據調查發現,暑假要參加數學研習營的同學有20位,要參加英語研 習營的同學有27位(兩種研習營的時間不同)。如果兩種研習營都要參加的同學有15位,試 問: (1)班上同學兩種研習營至少參加一種的有多少位? (2)兩種研習營都不參加的有多少位? 饮 AS 牌 尚未解決 回答數: 1
國文 高中 2天以前 https://beacon.sp.gmossp-sp.jp/ads/fw.ad?query_id=236835b5f4ed35f7.86618615&url=https%3A%2F%2Fclick.dsp.reemo-ad.jp%2Fv1%3Fi%3D2502H-44O2... 繼續閱讀 尚未解決 回答數: 0
英文 高中 2天以前 求解 (A) We are expected (C) What is expected (B) It is expected (D) It 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 (D) that has reached 尚未解決 回答數: 1
英文 高中 2天以前 求解 t- A 有機的 (A) decides (B) is decided (C) will decide (D) decided 5. Mrs. Pym doesn't trust the products sold in supermarkets; she only buys organic products from a family- (A) owning farm. (B) own (C) owns (D) owned 1 句子合併與改寫 (改寫成It is....) 待回答 回答數: 0
英文 高中 2天以前 求解 t- A 有機的 (A) decides (B) is decided (C) will decide (D) decided 5. Mrs. Pym doesn't trust the products sold in supermarkets; she only buys organic products from a family- (A) owning farm. (B) own (C) owns (D) owned 1 句子合併與改寫 (改寫成It is....) 待回答 回答數: 0
英文 高中 2天以前 求解 t- A 有機的 (A) decides (B) is decided (C) will decide (D) decided 5. Mrs. Pym doesn't trust the products sold in supermarkets; she only buys organic products from a family- (A) owning farm. (B) own (C) owns (D) owned 1 句子合併與改寫 (改寫成It is....) 尚未解決 回答數: 1
數學 高中 2天以前 詳解寫得太簡了🥹 有大神可以幫我說明一下嗎🙏🏻 8.在坐標平面上,已知a, 下所張成的三角形面積為5, 6, 所張成的平行四邊形面 積為20,若x+yh=c,則正數x= 18 8Z.. 12x61 - $10. |12|\-sinv|- 16x1=20 10. [holl i sin betw 已解決 回答數: 1