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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 x@m^E/ ,-Beq A positively charged glass rod attracts object X. SM~w The net charge of object X ? (1) may be zero or negative @jd (2) may be zero or positive 0'` (3) must be negative Xwv< (4) must be positive7 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS o The potential energy stored in a compressed *Wy@`I spring is to the change in the spring’s length as the n#~Z3 kinetic energy of a moving body is to the body’s m (1) speed (3) radius /5X\ (2) mass (4) acceleration K$%WL ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS { What is the resistance at 20.°C of a 2.0-meter >5lii length of tungsten wire with a cross-sectional =,[ area of 7.9 × 10–7 meter2? r (1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω :r;jk (2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω kjb ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS &/u&^ What is the speed of a ray of light \Y%vbi (f = 5.09 × 1014 hertz) traveling through a block otG7Q of sodium chloride? A (1) 1.54 × 108 m/s (3) 3.00 × 108 m/s caF4 (2) 1.95 × 108 m/s (4) 4.62 × 108 m/s S) ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ZJ&<2{ Two waves traveling in the same medium and Z<nf having the same wavelength (λ) interfere to fz create a standing wave. What is the distance I`kN^Q between two consecutive nodes on this standing @g wave? <j ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ^f'(*a A tritium nucleus is formed by combining two H:Tr neutrons and a proton. The mass of this nucleus ^xgp63 is 9.106 × 10–3 universal mass unit less than the 9IzT combined mass of the particles from which it is X)oq formed. Approximately how much energy is 2 released when this nucleus is formed? Nu=m (1) 8.48 × 10–2 MeV (3) 8.48 Mev zPchTj ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS n1# Pieces of aluminum, copper, gold, and silver ~ wire each have the same length and the same @[uC cross-sectional area. Which wire has the lowest `"`w*d resistance at 20°C? +G.! (1) aluminum (3) gold '3 (2) copper (4) silverFi ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS md A lithium atom consists of 3 protons, 4 neutrons, UsG and 3 electrons. This atom contains a total of S;kKj (1) 9 quarks and 7 leptons skK"eH (2) 12 quarks and 6 leptons pH4`nN (3) 14 quarks and 3 leptons K (4) 21 quarks and 3 leptons !z^ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Yd/ If a proton were to combine with an antiproton, 5] they would annihilate each other and become O@{ ?A energy. Calculate the amount of energy that !IC would be released by this annihilation. m27` ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS N The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for u the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. {ChR+# ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS D>T2x What fundamental force holds quarks together YF to form particles such as protons and neutrons? -j (1) electromagnetic force GO-G (2) gravitational force {z (3) strong force ^< (4) weak force ;h: ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1qX What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry ,DH/ asphalt in a straight line at a constant speed of 2.0 meters per second? *^SONv (1) 40. N (3) 60. N zF (2) 51 N (4) 120 N + ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS fS What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? BCs8%& (1) 3.93 × 10–7 m (3) 3.39 × 1014 m 9)P4W+ (2) 5.89 × 10–7 m (4) 7.64 × 1014 m .W-pWS ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS T`!1,2 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS fy.@. (2) 2.73 MeV (4) 273 MeVUzpoA+ HUg ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS e' ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS :{f[OZ 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。li
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