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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?$ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS |O"a:j .Lr&F< A positively charged glass rod attracts object X. 6D8OU The net charge of object X '[[F' (1) may be zero or negative 70x (2) may be zero or positive )m,3, (3) must be negative rtcC"Q (4) must be positive{l9@MH ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS z^x#j[ The potential energy stored in a compressed >`, spring is to the change in the spring’s length as the X== kinetic energy of a moving body is to the body’s k&Nk (1) speed (3) radius $ (2) mass (4) acceleration :zkhsX ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS <dM What is the resistance at 20.°C of a 2.0-meter 8grn length of tungsten wire with a cross-sectional sEMwmN area of 7.9 × 10–7 meter2? < (1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω QAE[I= (2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω m_d</ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS I,Zb What is the speed of a ray of light dDN (f = 5.09 × 1014 hertz) traveling through a block yr> of sodium chloride? ]oZs&+ (1) 1.54 × 108 m/s (3) 3.00 × 108 m/s z:# (2) 1.95 × 108 m/s (4) 4.62 × 108 m/s Z ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 8S4 Two waves traveling in the same medium and 2 having the same wavelength (λ) interfere to q\7*{f create a standing wave. What is the distance btL between two consecutive nodes on this standing 27L wave? ~Il\ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS p'i A tritium nucleus is formed by combining two $<~fq neutrons and a proton. The mass of this nucleus )^%Wb is 9.106 × 10–3 universal mass unit less than the Q\ combined mass of the particles from which it is -- formed. Approximately how much energy is rv released when this nucleus is formed? M- (1) 8.48 × 10–2 MeV (3) 8.48 Mev T/ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ]yRSt~ Pieces of aluminum, copper, gold, and silver .+ wire each have the same length and the same G cross-sectional area. Which wire has the lowest FUv/ resistance at 20°C? UpS (1) aluminum (3) gold 8E> (2) copper (4) silverb1 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS zIj%. A lithium atom consists of 3 protons, 4 neutrons, 5o[ and 3 electrons. This atom contains a total of 9;fFEc (1) 9 quarks and 7 leptons 2 (2) 12 quarks and 6 leptons J3;j}< (3) 14 quarks and 3 leptons )&.{9 (4) 21 quarks and 3 leptons J4 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS :H3C If a proton were to combine with an antiproton, O they would annihilate each other and become 6 energy. Calculate the amount of energy that IP4ZH would be released by this annihilation. |jV ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS db The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for ._d{H] the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. {i<c ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS czm+ What fundamental force holds quarks together f5~8sB to form particles such as protons and neutrons? A3N (1) electromagnetic force KD (2) gravitational force Gm.j (3) strong force ?27{ (4) weak force 0` ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS fk+ What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry aA asphalt in a straight line at a constant speed of 2.0 meters per second? EP (1) 40. N (3) 60. N { (2) 51 N (4) 120 N ;m ."O ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS UXs>m What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? i (1) 3.93 × 10–7 m (3) 3.39 × 1014 m &2w (2) 5.89 × 10–7 m (4) 7.64 × 1014 m mVq|Uu ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS RQ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS BDw[ (2) 2.73 MeV (4) 273 MeVb9[ 1 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS f*}a ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS s 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。saql+/
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