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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？h
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS >46_6j
feHUj
A positively charged glass rod attracts object X. H`W_Mh
The net charge of object X C/+C
(1) may be zero or negative ]rec
(2) may be zero or positive CVIB>L
(3) must be negative un5B2
(4) must be positivegN{
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS }#;
The potential energy stored in a compressed AslTn
spring is to the change in the spring’s length as the NpOm(`
kinetic energy of a moving body is to the body’s
(1) speed (3) radius [_
(2) mass (4) acceleration Z
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS n
What is the resistance at 20.°C of a 2.0-meter Hj{]
length of tungsten wire with a cross-sectional D0iE~
area of 7.9 × 10–7 meter2? ]<_
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω dDKq<
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω XQC$7Q
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS *!v <
What is the speed of a ray of light tvn
(f = 5.09 × 1014 hertz) traveling through a block }ow
of sodium chloride? w3
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s 6v%
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s PN
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS >Yw
Two waves traveling in the same medium and !:/
having the same wavelength (λ) interfere to ;.r2]X
create a standing wave. What is the distance :_
between two consecutive nodes on this standing [U;^%
wave? w3~Z
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS s
A tritium nucleus is formed by combining two q}'@H
neutrons and a proton. The mass of this nucleus 0
is 9.106 × 10–3 universal mass unit less than the =pB[h
combined mass of the particles from which it is q_
formed. Approximately how much energy is z
released when this nucleus is formed? :S)
(1) 8.48 × 10–2 MeV (3) 8.48 Mev K
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS E2"/v*
Pieces of aluminum, copper, gold, and silver G
wire each have the same length and the same AP@oe
cross-sectional area. Which wire has the lowest P
resistance at 20°C? +r
(1) aluminum (3) gold #VArz
(2) copper (4) silverJ
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ;1?Rg$
A lithium atom consists of 3 protons, 4 neutrons, fs*^0>
and 3 electrons. This atom contains a total of |N
(1) 9 quarks and 7 leptons ub0hM
(2) 12 quarks and 6 leptons ^dO
(3) 14 quarks and 3 leptons .gwle
(4) 21 quarks and 3 leptons c
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS N[1
If a proton were to combine with an antiproton, Ofrf
they would annihilate each other and become ;z
energy. Calculate the amount of energy that )
would be released by this annihilation. L
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS d<U%$W
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for _4
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. +'Po:
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS {\L!
What fundamental force holds quarks together m
to form particles such as protons and neutrons? k+
(1) electromagnetic force }u?7
(2) gravitational force wr|1pD
(3) strong force Qu
(4) weak force ]5d?.
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS *0L]
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry 4YP/[
asphalt in a straight line at a constant speed of 2.0 meters per second? xymXA:
(1) 40. N (3) 60. N S
(2) 51 N (4) 120 N t|u
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 56ov
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? O@
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m $
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m @DVE
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS q,hD6
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS h
(2) 2.73 MeV (4) 273 MeVR
m-SgO.
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS s^!F8I
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Dm
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。,R3tm<
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2007/08/29 02:33pm 
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