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啥也不说了,把这些东西翻成中文我也未必能做上来一道,各位会做么?vp ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ?If]Ls !!?k A positively charged glass rod attracts object X. p~w The net charge of object X @| (1) may be zero or negative EKeGR (2) may be zero or positive Irpv (3) must be negative h+XBP (4) must be positive' ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS . The potential energy stored in a compressed h`L spring is to the change in the spring’s length as the $W{ kinetic energy of a moving body is to the body’s 4* (1) speed (3) radius d+H#Y (2) mass (4) acceleration 13O5 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS rWXp What is the resistance at 20.°C of a 2.0-meter l length of tungsten wire with a cross-sectional { area of 7.9 × 10–7 meter2? ;GK (1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω :]gSD (2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω >h ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 3/OH-q What is the speed of a ray of light )a~[ (f = 5.09 × 1014 hertz) traveling through a block NP of sodium chloride? *7k2N (1) 1.54 × 108 m/s (3) 3.00 × 108 m/s *vA (2) 1.95 × 108 m/s (4) 4.62 × 108 m/s ASvJdZ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,& Two waves traveling in the same medium and 1<[+ having the same wavelength (λ) interfere to cu create a standing wave. What is the distance C4GYG between two consecutive nodes on this standing {k wave? %haY" ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS vc A tritium nucleus is formed by combining two 4N neutrons and a proton. The mass of this nucleus W is 9.106 × 10–3 universal mass unit less than the 6/OB combined mass of the particles from which it is *M formed. Approximately how much energy is Z released when this nucleus is formed? TER9' (1) 8.48 × 10–2 MeV (3) 8.48 Mev c[;0} ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS TV<Ng Pieces of aluminum, copper, gold, and silver V0Lb\ wire each have the same length and the same g cross-sectional area. Which wire has the lowest x\dvw) resistance at 20°C? =yy (1) aluminum (3) gold k% (2) copper (4) silver-]}y}k ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $mKFJ A lithium atom consists of 3 protons, 4 neutrons, +2U and 3 electrons. This atom contains a total of -F (1) 9 quarks and 7 leptons \~ (2) 12 quarks and 6 leptons ^ (3) 14 quarks and 3 leptons hfC (4) 21 quarks and 3 leptons M@+K ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS N;k\ If a proton were to combine with an antiproton, C& they would annihilate each other and become `ZD energy. Calculate the amount of energy that <h~\ would be released by this annihilation. W\-~, ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS i8$[vM The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for 6{W%O\ the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. H 4 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS /6BMI1 What fundamental force holds quarks together o$B to form particles such as protons and neutrons? JS^n (1) electromagnetic force '$ (2) gravitational force k (3) strong force ;e' (4) weak force 43!kXN ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS q What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry #n'^f: asphalt in a straight line at a constant speed of 2.0 meters per second? K (1) 40. N (3) 60. N %h[u[; (2) 51 N (4) 120 N m ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS LOg What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? u (1) 3.93 × 10–7 m (3) 3.39 × 1014 m gV (2) 5.89 × 10–7 m (4) 7.64 × 1014 m 9 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ;Fw:" ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS &w (2) 2.73 MeV (4) 273 MeV(\Y am}qRC ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS u ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS @j_ ps:答案baidu上有,如果哪位真的有雅兴清搜索“英语物理题”查查看。最后,千万表告诉我这些题真的有人会做,来这里灌水的话请随便。BNsrja
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