問題詳情
5.質量各為30kg、40kg之甲、乙兩小孩，站立在溼滑的水平冰原上，甲以240N之力推乙，作用力持續的時間為0.5s，則過程中甲、乙兩人哪些物理量不同？ 
(A)受力時間
(B)受衝量大小
(C)動量變化大小
(D)速度大小
(E)受力大小
(A)受力時間
(B)受衝量大小
(C)動量變化大小
(D)速度大小
(E)受力大小
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- 【題組】(A)inspired (B)filed (C)inspiring (D)filling
- The Nasca Lines in Peru____ some religious or ritualistic function.(A) are believed to have had(B
- I had heard she could sing well, but I didn't know she was _______ dancing too.(A) able to(B
- These are the remains of an ancient town that was _______ in a terrible earthquake.(A) wiped out(
- 【題組】(A) some time(B) some times(C) sometime(D) sometimes
- 【題組】(A)resemble (B)resembling (C)resembled (D)to resembling
- V. 文法選擇 20%The store sent me three of the books I had ordered online, and promised to get ____ to
- The table in the meeting room is eight feet ____ and three feet ____ .(A) in long, in wide(B) len
- There are three choices for you to get into college. One is through school recommendation, anothe
- 【題組】(A) there are(B) they are(C) there is(D) it is
內容推薦
- 【題組】I can’twait tobecome a college student._________________________________________________(loo
- 【題組】I jog to school every day to keepmyself fit without spending extra time to mn health.
- 【題組】Weobeythe school rule so we wear uniforms._________________________________________________
- 【題組】Which of the following is NOT true?(A) Plus the previous records, Phelps has won 22 gold med
- 畢業學長們(alumni) 沒想到我們會在這麼棒的地方舉辦樂聲揚呢!
- 【題組】Werememberthe heroby setting up a statue on campus.________________________________________
- Many people believe that the former president and his wife have been i ved in the money launderin
- 【題組】Which of the following does not contribute to the creation of auroras?(A) The magnetic force
- 【題組】Ispend a lot of time and energytaking part in extra-curricular activities.__________________
- 不管目的為何，閱讀書籍一般來說都是好事。Reading books is generally a good thing,____________
- My daughter is especially interested in the stars. She plans to become an a er one day.
- VII.文意字彙15%Many linguists (語言學家) believe that human beings acquire their mother tongue by i t, ju
- 【題組】承上題，種子內感受光線種類，並導致萌發的物質，最可能是何者？(A)光敏素(Pr) (B)光敏素(Pfr)(C)葉綠素 (D)開花素。
- 下列那一唾液腺管（duct），其腺管細胞含有大量長形粒線體（elongated mitochondria）？(A)紋狀管（striated duct）(B)間管（intercalated duc
- 一、何謂新聞「正確性」？新聞報導發生錯誤的原因為何？新聞媒體應如何提高新聞正確性？（25 分）
- The fierce typhoon did make destructive damage to the resort of Lu-shan (廬山) hot s gs.
- Afternoon f gue often makes students unable to stay awake in the fifth class.
- Auroras are visible on clear nights in northern Canada, Scandinavia, and New Zealand. The best time
- 耳下腺是在胚胎期第幾週開始發育？(A)4-6(B)8-10(C)12-14(D)16-18
- 將氫氣與氧氣反應得1莫耳水蒸氣，放熱243kJ，上述反應的熱化學反應式表示法，何者正確？(A) (B) (C) (D)
- If you don’t clean up the leaves in the yard, they ‘ll just keep on a ting.
- This is one of the most i l magazines in the country; it is read by politicians and business lead
- IX. Translation (2%X5=10%)要不是因為缺乏空間，我們就不需要每逢下雨就把自己關(confine) 在教室。
- 牙齒萌發的速率，在骨內階段每天約：(A)1至 10 µm(B)11至 20 µm(C)21至 30 µm(D)31至 40 µm
- 有關右圖，何項正確？(A)甲一年四季都能開花 (B)乙的臨界日照較丙長(C)乙多半在夏季開花(D)丙多在秋冬季節開花 (E)丙在黑暗期以光照中斷仍能開花。