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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？sNYyl
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j+
A positively charged glass rod attracts object X. Ro.aB
The net charge of object X ^| Oe?
(1) may be zero or negative $
(2) may be zero or positive iL
(3) must be negative SW
(4) must be positivekV
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS T^:!
The potential energy stored in a compressed kn
spring is to the change in the spring’s length as the yt[f"c
kinetic energy of a moving body is to the body’s +@n?Mp
(1) speed (3) radius 6
(2) mass (4) acceleration P`TG
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What is the resistance at 20.°C of a 2.0-meter U0s
length of tungsten wire with a cross-sectional LyL
area of 7.9 × 10–7 meter2? \/]j.R
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω <I6m
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω jlM$P>
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ?7RV2
What is the speed of a ray of light iN:XD
(f = 5.09 × 1014 hertz) traveling through a block IWhDF8
of sodium chloride? kW9W
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s *R"=
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s %R>
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,>(@o
Two waves traveling in the same medium and m1N
having the same wavelength (λ) interfere to 9.
create a standing wave. What is the distance ZS
between two consecutive nodes on this standing LL
wave? 9P_g}I
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ;hO&
A tritium nucleus is formed by combining two =&5P0s
neutrons and a proton. The mass of this nucleus JGpdNj
is 9.106 × 10–3 universal mass unit less than the p1paM>
combined mass of the particles from which it is !H)p
formed. Approximately how much energy is \4Xc
released when this nucleus is formed? Yh_l
(1) 8.48 × 10–2 MeV (3) 8.48 Mev Lo
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS D
Pieces of aluminum, copper, gold, and silver kzS\
wire each have the same length and the same g
cross-sectional area. Which wire has the lowest 7u`r
resistance at 20°C? 5
(1) aluminum (3) gold ubYlD
(2) copper (4) silver}
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS oI0rWL
A lithium atom consists of 3 protons, 4 neutrons, k<AeT
and 3 electrons. This atom contains a total of P @#Q.
(1) 9 quarks and 7 leptons @
(2) 12 quarks and 6 leptons ` _|
(3) 14 quarks and 3 leptons @
(4) 21 quarks and 3 leptons A
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If a proton were to combine with an antiproton, .kD
they would annihilate each other and become >Q
energy. Calculate the amount of energy that wVE
would be released by this annihilation. zXu
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS CaFYEq
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for mPGN
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. n.
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS _YR.^~
What fundamental force holds quarks together ~WQgp
to form particles such as protons and neutrons? LF1T
(1) electromagnetic force LFV
(2) gravitational force o_]%%a
(3) strong force <uYq6
(4) weak force ;73
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS %dgjy
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry +:Wsak
asphalt in a straight line at a constant speed of 2.0 meters per second? '%;~0
(1) 40. N (3) 60. N 0xxA]{
(2) 51 N (4) 120 N )q3`.
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,`
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? Y(3~j|
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m *JQA
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m ?sB'[x
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS z`j.+
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Er
(2) 2.73 MeV (4) 273 MeV{d
&CqA
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©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS vQj
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。W
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2007/08/29 02:33pm 
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