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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 SWQSP CU^A> A positively charged glass rod attracts object X. 'G\0h The net charge of object X ?!pP8 (1) may be zero or negative 82LzY, (2) may be zero or positive psaa (3) must be negative j:o|jE (4) must be positiveX- ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS <ZyBk^ The potential energy stored in a compressed ptX spring is to the change in the spring’s length as the { kinetic energy of a moving body is to the body’s NvTu@ (1) speed (3) radius utFsT] (2) mass (4) acceleration "\=t ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS RN6== What is the resistance at 20.°C of a 2.0-meter j length of tungsten wire with a cross-sectional oT area of 7.9 × 10–7 meter2? QA (1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω G0Rb@ (2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω dI ©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 dof (f = 5.09 × 1014 hertz) traveling through a block 9)0 of sodium chloride? YeAsZW (1) 1.54 × 108 m/s (3) 3.00 × 108 m/s o (2) 1.95 × 108 m/s (4) 4.62 × 108 m/s `J]yh ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS \sLI Two waves traveling in the same medium and YXe having the same wavelength (λ) interfere to [(DRk create a standing wave. What is the distance *Xo between two consecutive nodes on this standing 3q7Ot wave? el95n, ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS A`)@O A tritium nucleus is formed by combining two <g. neutrons and a proton. The mass of this nucleus S'!\Q is 9.106 × 10–3 universal mass unit less than the J4 combined mass of the particles from which it is pdjr%9 formed. Approximately how much energy is o released when this nucleus is formed? ! (1) 8.48 × 10–2 MeV (3) 8.48 Mev IN ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS P]!WCb Pieces of aluminum, copper, gold, and silver ;Z:/q wire each have the same length and the same \~,B cross-sectional area. Which wire has the lowest zpYJ^ resistance at 20°C? L6@;yZ (1) aluminum (3) gold F (2) copper (4) silverW" ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS e_1F A lithium atom consists of 3 protons, 4 neutrons, L; and 3 electrons. This atom contains a total of S#/7A^ (1) 9 quarks and 7 leptons !.bx'Q (2) 12 quarks and 6 leptons X: (3) 14 quarks and 3 leptons $7X1;W (4) 21 quarks and 3 leptons 5 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS -D^`# If a proton were to combine with an antiproton, ,>k they would annihilate each other and become I9I energy. Calculate the amount of energy that %jJ:tw would be released by this annihilation. I ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1S@T The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for /Yxz the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. hP$r; ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS yAlz!Y What fundamental force holds quarks together ItIZ{ to form particles such as protons and neutrons? "( (1) electromagnetic force d6g (2) gravitational force x (3) strong force Rg5@ (4) weak force x8' ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS t{Gkh^ What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry (B- asphalt in a straight line at a constant speed of 2.0 meters per second? k:0 (1) 40. N (3) 60. N Dlu (2) 51 N (4) 120 N kKBV ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $X)De^ What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? ` (1) 3.93 × 10–7 m (3) 3.39 × 1014 m 7H:@ (2) 5.89 × 10–7 m (4) 7.64 × 1014 m 7:6 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS b+w,B ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Jsa\ (2) 2.73 MeV (4) 273 MeVS7E'J bj3 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS SF ©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。k
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