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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?'#D ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 0>28 w A positively charged glass rod attracts object X. J$buO> The net charge of object X J (1) may be zero or negative X (2) may be zero or positive XbJ4^ (3) must be negative s`"uT (4) must be positive$L=.$d ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS L'n The potential energy stored in a compressed H3E9kJ spring is to the change in the spring’s length as the PYv_ kinetic energy of a moving body is to the body’s ..) (1) speed (3) radius 3#kF (2) mass (4) acceleration &E9 ©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 :!B U! length of tungsten wire with a cross-sectional .+mA area of 7.9 × 10–7 meter2? ,@ (1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω =]L= (2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω 7y ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS c' What is the speed of a ray of light vw (f = 5.09 × 1014 hertz) traveling through a block I5dpm( of sodium chloride? p (1) 1.54 × 108 m/s (3) 3.00 × 108 m/s & (2) 1.95 × 108 m/s (4) 4.62 × 108 m/s QleIc, ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS *?Lrd Two waves traveling in the same medium and #9T having the same wavelength (λ) interfere to ?v;<47 create a standing wave. What is the distance ?I between two consecutive nodes on this standing nWgo wave? w ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $ A tritium nucleus is formed by combining two j:8mo neutrons and a proton. The mass of this nucleus }.i is 9.106 × 10–3 universal mass unit less than the ,H?~% combined mass of the particles from which it is BfR;L formed. Approximately how much energy is U 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 } Pieces of aluminum, copper, gold, and silver F wire each have the same length and the same XXbLWt cross-sectional area. Which wire has the lowest H8t5 resistance at 20°C? "+Kk (1) aluminum (3) gold MB (2) copper (4) silverIa ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS LP^ A lithium atom consists of 3 protons, 4 neutrons, C3l6!k and 3 electrons. This atom contains a total of F6XDWO (1) 9 quarks and 7 leptons P$ (2) 12 quarks and 6 leptons oBa (3) 14 quarks and 3 leptons O2b4 (4) 21 quarks and 3 leptons Ztl ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS :<93YE If a proton were to combine with an antiproton, M they would annihilate each other and become 3G energy. Calculate the amount of energy that )cdq5 would be released by this annihilation. b ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS J`P5} The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for y*UBC* the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. : ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS p What fundamental force holds quarks together DY to form particles such as protons and neutrons? H~>fs. (1) electromagnetic force ;rj;X (2) gravitational force h< (3) strong force KWOX (4) weak force Xz $+ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS vx What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry #%m asphalt in a straight line at a constant speed of 2.0 meters per second? *N (1) 40. N (3) 60. N 8>v'@? (2) 51 N (4) 120 N |48}~9 ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS B What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? d (1) 3.93 × 10–7 m (3) 3.39 × 1014 m r (2) 5.89 × 10–7 m (4) 7.64 × 1014 m pq( ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ;_[6d< ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Wf*^8C (2) 2.73 MeV (4) 273 MeVT #! ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS HRU~{ ©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 5m0b 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。mUN/G@
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