12. A thin hoop rolls without sliding on a level surface (see Fig. 2). What is the ratio between the rotational energy and the translational energy?

(A) 2
(B) √2
(C) 1
(D) 1/√2
(E) 1/2

13. A combination of pulleys is shown in Fig. 3, where a weight of mass m₁ is hung on the leftmost pulley, and a weight of mass m₂ is attached to the right end of the string. What is m₂ in terms of m₁ so that the system is in equilibrium? (A) m₁ (B) m₁/2 (C) m₁/3 (D) m1/8 (E) m₁/16

14. The heat capacities of objects A, B, and Care , respectively. If the temperatures of objects A, B, and C are 60°C, 30°C, and 20°C, what is the equilibrium temperature after objects A, B, and C are in touch? (A) 30°C (B) 35°C (C) 40°C (D) 45°C (E) 50°C

15. About two-thirds of a solid wooden ball of density 0.53 g/ml is floating in an unknown liquid. Which of the following liquids could be the unknown liquid? (A) Ethyl alcohol (density 7.89 × 102 kg/m³) (B) Water (density 1.00 × 103 kg/m³) (C) Mercury (density 1.36 × 104 kg/m³) (D) Hexane (density 6.54 × 102 kg/m³) (E) Olive oil (density 9.11 × 102 kg/m³)

16. A rocket weighs 1.7 × 106 kg, where 80% of it is the fuel, and exhausts fuel with a relative speed of 2000 m/s. If the rocket is initially at rest in space, what is its speed after consuming all the fuel? (A) 1.0 × 104 m/s (B) 2.5 × 103 m/s (C) 3.2 x 103 m/s (D) 1.6 × 103 m/s (E) 4.0 × 102 m/s

17. A coil with a constant cross-section is moving with velocity in a constant and uniform magnetic field . What is the voltage in the coil generated by the magnet? (A)(B) (C) 0 (D)(E)

18. How much work is done by an ideal gas in an isothermal expansion from volume ? (Let n be the amount of the gas, R be the gas constant, and T be the absolute temperature.) (A) (B)(C)(D)(E)

19. A block of mass m₁ is stacked on top of another block of mass m2 and attached via a massless string (see Fig. 4). The coefficient of static friction between the blocks is µg, and the coefficient of static friction between the block and the surface is us. The pullies are massless and frictionless. What is the maximal mass W of a weight attached to the bottom block that still makes the system stationary? (A)(B) (C)(D)(E)

20. After heating a metal annular disc with inner radius r and outer radius r0 (see Fig. 5), which of the following statements is not true? (A) The outer radius r0 increases. (B) The inner radius rĄ increases. (C) The total area of the annular disc increases. (D) The width w, where w = , of the annular disc remains the same. (E) The sum of the areas of the annular disc and the hole increases.

1. 若有一電動車直流無刷電動機之驅動器模組，其驅動器模組電壓規格為 96V，電池 電壓為 48V，則須在電池與驅動器模組之間加入何種線路? (A)整流器；(B)調速器；(C)降壓型轉換器；(D)升壓型轉換器

2. 有關用於電動車之動力電池模組，下列工作特點何者有誤？ (A)工作溫度區間小；(B)輸出功率大；(C)自放電率低；(D)放電平穩

115年 - 115 台灣聯合大學系統_學士班轉學考試_A3／A6：普通物理#142629

115年 - [無官方正解]115 國立臺灣大學_轉學生招生考試試題：普通物理學(A)#142625

115年 - 115 台灣聯合大學系統_碩士班招生考試_物理類：普通物理#139676

115年 - [無官方正解]115 國立中山大學_碩士班考試入學招生考試試題_物理系：普通物理#138395

115年 - [無官方正解]115 國立臺灣大學_碩士班招生考試：普通物理學#137725

114年 - 114 國立嘉義大學_轉學生招生考試試題：普通物理#143735

114年 - [無官方正解]114 國立成功大學_碩士班招生考試_物理學系：普通物理學#138760

114年 - [無官方正解]114 國立中山大學_碩士班招生考試試題_物理系：普通物理#137736

114年 - 114 台灣聯合大學系統_碩士班招生考試：普通物理#137733

114年 - [非官方正解]114 臺灣綜合大學系統_學士班轉學生聯合招生考試試題：普通物理Ａ#129365