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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?mPi~ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 71v_8 ;U A positively charged glass rod attracts object X. 4Fn The net charge of object X ~bjX! (1) may be zero or negative Cn|g"- (2) may be zero or positive M (3) must be negative =~](p (4) must be positiveo ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS \gBc The potential energy stored in a compressed BweVz0 spring is to the change in the spring’s length as the c= kinetic energy of a moving body is to the body’s 3 (1) speed (3) radius pn (2) mass (4) acceleration JyC> ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS gaW What is the resistance at 20.°C of a 2.0-meter Mt3EU length of tungsten wire with a cross-sectional V area of 7.9 × 10–7 meter2? 9n (1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω jsd (2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω + ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Co What is the speed of a ray of light | (f = 5.09 × 1014 hertz) traveling through a block ZszQ of sodium chloride? ]NeP (1) 1.54 × 108 m/s (3) 3.00 × 108 m/s :&m (2) 1.95 × 108 m/s (4) 4.62 × 108 m/s ) ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS c&%| Two waves traveling in the same medium and Vh having the same wavelength (λ) interfere to n create a standing wave. What is the distance ] between two consecutive nodes on this standing FC[q wave? f8d ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Sfc A tritium nucleus is formed by combining two rd\xA neutrons and a proton. The mass of this nucleus @V6E7 is 9.106 × 10–3 universal mass unit less than the WnNkB? combined mass of the particles from which it is + formed. Approximately how much energy is PR>Ibj released when this nucleus is formed? XVg1 (1) 8.48 × 10–2 MeV (3) 8.48 Mev uhlw- ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS !q? Pieces of aluminum, copper, gold, and silver ;jFM wire each have the same length and the same W!.5Y cross-sectional area. Which wire has the lowest svr resistance at 20°C? -lQgM (1) aluminum (3) gold ^Hm; (2) copper (4) silverjb* ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS H A lithium atom consists of 3 protons, 4 neutrons, k and 3 electrons. This atom contains a total of u (1) 9 quarks and 7 leptons p: (2) 12 quarks and 6 leptons sGkm4 (3) 14 quarks and 3 leptons z0 (4) 21 quarks and 3 leptons c ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS SiJ If a proton were to combine with an antiproton, G]~[ they would annihilate each other and become [9f energy. Calculate the amount of energy that J85oU would be released by this annihilation. [uC- ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS I3a The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for M#Y& the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. aJ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS *[yB_ What fundamental force holds quarks together 7|rG to form particles such as protons and neutrons? a (1) electromagnetic force -1xL (2) gravitational force p7edck (3) strong force Modr (4) weak force I{YKR ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,;|RmS What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry \\zm asphalt in a straight line at a constant speed of 2.0 meters per second? i[s6! (1) 40. N (3) 60. N 1Fw (2) 51 N (4) 120 N g;A_% ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 9p5#A$ What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? @[W (1) 3.93 × 10–7 m (3) 3.39 × 1014 m |hH (2) 5.89 × 10–7 m (4) 7.64 × 1014 m ~x+ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS V&& ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS R: (2) 2.73 MeV (4) 273 MeVl><Z@ /r` ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Gb~ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS )3 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。.*f
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