G小題錯在哪⋯

Au equation of state relates the state v (g) True false The internal energy of an animal cell (system) can only be changed by the flow of heat (9) or work (w) across the boundary between the system and surroundings. (4 points). s'open system m True false: Find the incorrect conclusions from the following sentences and correct them. (20 points).

問12 13題 希望有簡單易懂的解法😥😥

差的量值大於1m E)甲球落於2點左方,此時兩球高度差的量值等於1m 以量值為1 m/s 之加速度減速,試問當兩列火車都停止時,兩車之車頭相距多少m? (A)100 (B)200 (C)300 } \) 12.0 A)兩列火車,一列以72 km/h,另一列以 14km/h 在同一軌道中相向而行。當兩火車頭相距 1100 m時,两列火車同 (D)400 (B)兩車會相撞 // powl, V. = owl) (A)在中山高速公路的某直線車道上,有輛輛車正以32 m/s的速度前進,突然發現前方20 m處有輛卡車正以24 mis 等 速行駛,轎車司機立即踩煞車而獲得-2m/s 的加速度,試問兩車最接近的距離為多少m? (AM X (C)12 D、 (D) 18 (E)20 14 TZTE HALAL fillinn Airl击应 2.2 -T.

電流題求救 🥹

練習2 圖中兩理想電池之電動勢分別為4V 與1V,Ry=102,R2=52,Rg=102,則流 IV 經 的電流大小為?(A)1/4(B)2/3 (C)2 (D)11/7 (E)3/2 安培。 R₂/02 th R₂ www m2 52 答:(A) Penera 吟 RM 4V. 解析: KISZED

可以幫我解答一下這題嗎？ 我沒有解答 我的想法是一樣

SHEN 功與能量 出? - 出 在關 相 想一想 甲乙兩人由相同高度的光滑水道頂端由靜止 滑下,落入水池時,誰的速率較快? 甲 Z Ghos hobe ng H (0) 式 ma 自 KEY 學能E= 動能K+ 位能U

怎麼寫⋯

2.2 A batch of 100g of Na2SO4 is dissolved in 200g of H20 and the solution is cooled until 100g of Na2SO4:10H2O is crystallized out. Please do a DOF analysis and calculate the composition of the remaining solution. (Na2SO4:10 H2O = 322.2, Na2SO4=142.05) Answer: DOF = 0; Na2SO4 28%, H20 72%

請問第19題，B.D哪裡錯

P)得清 (D)傳遞波動的介質,會隨著波傳播出。 (B)有干涉及繞射的現象 1 ABT IS 以下有脚波動現象的一般特性,哪一項是錯的! (A)可傳遞能量和動量 (C)不同介質,有反射及折射現象 19.8於聲波的描述,下列哪些正確? 9 9 SBO MO聲波不像繩波水波那樣可直接觀察 (B)聲波在任何介質中傳播皆為縱波 以空氣傳音,疏部與密部,都以相同的速率前進 (D)在空氣壓力變化最大的地方必為密密部 (E)聲波亦可像電磁波一樣不需介質以橫波傳送 20. 有一個喇叭靜置在操場的中央,其發音頻率為f,如 n/圖所示。另有四個學生分別靜止站在喇叭周圍的東 D204 sil O

第三小題錯在哪裡

3.)* True/false: Find the incorrect conclusions from the following sentences and correct them. (12 points) b H2 •T2 H An ideal gas changes its states isothermally through a chemical reaction. AH is zero because AH is equal to Cp x AT. H TI ® The pressure change does not contribute to the energy state (U or H) of ideal gases. P * Figure 1 is correct for illustrating the enthalpy state of real gases. Fig. 1 AT1 ATL+1a na:daalraa ahonnan kantot fo. U +- IT 1.1 D1

第三題為何是3啊⋯⋯ expansion那內能差不就是小於0嗎，

(3) Pushing the piston down so as to do work on the system 3 PV a (c)Multiple Choice: What is the correct result for reversible isobaric process in which an ideal gas undergoes an expansion form 1 L to 10 L in a closed system? BU-atw DHECPAT (3 points) Pv=nRT AU=croTo (1)w > 0, AU>0,q>0; (2)w >0, AU<0,q<0; (3)w<0,AU>0,q>0; (4)w <0, AU<0,q<0 个小 finat low of thermodynamics takes the

第一題 怎麼想

1.) True/false, multiple choice or short answer. “*” denotes more than one correct answers. (33 points) (a) Multiple Choice: I will have the largest energy transfer as expansion work from an ideal gas system 1o the surroundings if I use a process that is (3 points) (1) Isothermal and quick ;(2) adiabatic and quick ;( 3) isothermal and slow; (4) adiabatic and slow

這是題目出錯嗎？ 答案是AE @@可是寫abc一樣所以我該？

“小口肉月引力作用 9 A.E)2.下列選項中的示意圖,顯示在靜止狀態下,電荷、金屬球、磁鐵之間的交互作用力,圖中 各箭號的指向與長度,分別代表受力的方向與量值。若(A)(B)(C)三選項中,兩箭號的長度相 等,則哪些圖正確?(應選2項) (A帶正電點電荷 電中性金屬球 (B)帶正電點電荷 (C)帶正電點電荷 4 (D)磁鐵NS (E)磁鐵 NS 帶正電點電荷 帶負電點電荷 NTS 磁鐵 NIS| 磁鐵