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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？~%B
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e=F".~
A positively charged glass rod attracts object X. du $6R
The net charge of object X R [y
(1) may be zero or negative $&y15
(2) may be zero or positive W4O
(3) must be negative S#
(4) must be positiveps_
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The potential energy stored in a compressed V>E|G
spring is to the change in the spring’s length as the X#Fk
kinetic energy of a moving body is to the body’s wm*
(1) speed (3) radius )7`Xk/
(2) mass (4) acceleration v
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS a8
What is the resistance at 20.°C of a 2.0-meter ;(
length of tungsten wire with a cross-sectional *
area of 7.9 × 10–7 meter2? ]H3
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω Uo[p
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω u&:t
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Xn6.o*
What is the speed of a ray of light B!&?
(f = 5.09 × 1014 hertz) traveling through a block Q=Fq
of sodium chloride? Gf
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s Px1j
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s F>
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Two waves traveling in the same medium and ;y
having the same wavelength (λ) interfere to ?y
create a standing wave. What is the distance nI)}d
between two consecutive nodes on this standing w
wave? *r+>
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS L
A tritium nucleus is formed by combining two Q
neutrons and a proton. The mass of this nucleus Mv=$
is 9.106 × 10–3 universal mass unit less than the %i[U1.
combined mass of the particles from which it is +Sl]
formed. Approximately how much energy is i
released when this nucleus is formed? 6$_*9\
(1) 8.48 × 10–2 MeV (3) 8.48 Mev |g n>,
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS cx{/
Pieces of aluminum, copper, gold, and silver 9zJN
wire each have the same length and the same ~U#q
cross-sectional area. Which wire has the lowest AvE{x
resistance at 20°C? p=5A
(1) aluminum (3) gold Vds/
(2) copper (4) silverN
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS );zc
A lithium atom consists of 3 protons, 4 neutrons, :P@?U
and 3 electrons. This atom contains a total of >u>e
(1) 9 quarks and 7 leptons -\ljS
(2) 12 quarks and 6 leptons KzX
(3) 14 quarks and 3 leptons zF=g^
(4) 21 quarks and 3 leptons 0W>TU6
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 5r7
If a proton were to combine with an antiproton, N+
they would annihilate each other and become K~8
energy. Calculate the amount of energy that B;E]
would be released by this annihilation. Ela'Q
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS _
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for P[
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 ev0^.
What fundamental force holds quarks together 1
to form particles such as protons and neutrons? $!:M
(1) electromagnetic force YUH|
(2) gravitational force "ab)YU
(3) strong force )_t
(4) weak force J>
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What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry k1I`.
asphalt in a straight line at a constant speed of 2.0 meters per second? :ul|jf
(1) 40. N (3) 60. N 2^;i
(2) 51 N (4) 120 N B/#k"
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What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? wM
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m #-
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m Sgm
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1%hhD
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS nG&B5,
(2) 2.73 MeV (4) 273 MeV!
t7
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©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。ZO0Bq}
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2007/08/29 02:33pm 
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