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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？&ZrX)
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1Al
#iLEWs
A positively charged glass rod attracts object X. [m!
The net charge of object X ;RWAe=
(1) may be zero or negative t0u*
(2) may be zero or positive hp`vi
(3) must be negative =rv63`
(4) must be positive_B
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS n
The potential energy stored in a compressed YBK
spring is to the change in the spring’s length as the AY4N
kinetic energy of a moving body is to the body’s YuEDS
(1) speed (3) radius p,:"
(2) mass (4) acceleration prx#X
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS h
What is the resistance at 20.°C of a 2.0-meter |
length of tungsten wire with a cross-sectional ~A*\8y
area of 7.9 × 10–7 meter2? 3U|8
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω 6I(?6O
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω sT?&z
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS `y
What is the speed of a ray of light d5L5k
(f = 5.09 × 1014 hertz) traveling through a block 'Z|A[c
of sodium chloride? 2x
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s A05)
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s V0L+W
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS G#U
Two waves traveling in the same medium and 9B,^c
having the same wavelength (λ) interfere to B
create a standing wave. What is the distance v
between two consecutive nodes on this standing W}
wave? |U$'Vz
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS G[4a$\
A tritium nucleus is formed by combining two y
neutrons and a proton. The mass of this nucleus sU
is 9.106 × 10–3 universal mass unit less than the ac^,
combined mass of the particles from which it is !8O
formed. Approximately how much energy is y.n
released when this nucleus is formed? UlyT
(1) 8.48 × 10–2 MeV (3) 8.48 Mev P`#m=
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS pqZ!*`
Pieces of aluminum, copper, gold, and silver kN7xs
wire each have the same length and the same CeO7D
cross-sectional area. Which wire has the lowest #m
resistance at 20°C? o0
(1) aluminum (3) gold 188Ay
(2) copper (4) silverF;@r}
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ^}
A lithium atom consists of 3 protons, 4 neutrons, um8
and 3 electrons. This atom contains a total of #.f_pE
(1) 9 quarks and 7 leptons 4J;
(2) 12 quarks and 6 leptons [;Rv
(3) 14 quarks and 3 leptons F
(4) 21 quarks and 3 leptons 2h
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS "*k@
If a proton were to combine with an antiproton, %$1]vU
they would annihilate each other and become :5OYr2
energy. Calculate the amount of energy that a
would be released by this annihilation. BE+Z
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS igjV
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for kUim
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. 6T)
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS M)Rti]
What fundamental force holds quarks together `
to form particles such as protons and neutrons? q&%
(1) electromagnetic force =%
(2) gravitational force 6w
(3) strong force b[uUS@
(4) weak force 0Q
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS IhQ
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry |lX_
asphalt in a straight line at a constant speed of 2.0 meters per second? X#J
(1) 40. N (3) 60. N w2]M4
(2) 51 N (4) 120 N O9I=G@
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ?<1
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? wq
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m NSZ!
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m c4
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS {m:?y
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Yc
(2) 2.73 MeV (4) 273 MeVW`6),
7^?
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $;
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS M!
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。HyW{x
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2007/08/29 02:33pm 
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