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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？q?|!m
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS (e'
w
A positively charged glass rod attracts object X. ~Q*
The net charge of object X 01M=
(1) may be zero or negative u^.)
(2) may be zero or positive r^>?H
(3) must be negative #c8"
(4) must be positive(g,zk'
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS [$y!P*
The potential energy stored in a compressed :r7T
spring is to the change in the spring’s length as the @]x
kinetic energy of a moving body is to the body’s V:_o<m
(1) speed (3) radius d
(2) mass (4) acceleration j1
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS O!vya
What is the resistance at 20.°C of a 2.0-meter f.'e
length of tungsten wire with a cross-sectional _26%
area of 7.9 × 10–7 meter2? B^P?/U
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω hg>
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω wRk
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ".s`
What is the speed of a ray of light OqACc&
(f = 5.09 × 1014 hertz) traveling through a block 6i"z
of sodium chloride? gpae
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s (w
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s Zy#
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS upr7
Two waves traveling in the same medium and %`
having the same wavelength (λ) interfere to /p]5
create a standing wave. What is the distance }f
between two consecutive nodes on this standing b!5<
wave? G9+S
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS O
A tritium nucleus is formed by combining two B
neutrons and a proton. The mass of this nucleus yXM\od
is 9.106 × 10–3 universal mass unit less than the !
combined mass of the particles from which it is :GVx!{
formed. Approximately how much energy is n9.J/p
released when this nucleus is formed? Cx
(1) 8.48 × 10–2 MeV (3) 8.48 Mev -p
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS q
Pieces of aluminum, copper, gold, and silver aCWKz
wire each have the same length and the same @Qg
cross-sectional area. Which wire has the lowest '](=7
resistance at 20°C? I#q
(1) aluminum (3) gold a^x2y
(2) copper (4) silverP
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS #JVB!
A lithium atom consists of 3 protons, 4 neutrons, *mztL$
and 3 electrons. This atom contains a total of B!C
(1) 9 quarks and 7 leptons aeUjH%
(2) 12 quarks and 6 leptons ){ &
(3) 14 quarks and 3 leptons A
(4) 21 quarks and 3 leptons !^V":j
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $M*&I7
If a proton were to combine with an antiproton, q\O[
they would annihilate each other and become zQ
energy. Calculate the amount of energy that YYaUU
would be released by this annihilation. ,w#xp
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Q
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for \]yre
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 ^4
What fundamental force holds quarks together + *
to form particles such as protons and neutrons? )R&a
(1) electromagnetic force _G
(2) gravitational force ;
(3) strong force XkJ~QQ
(4) weak force f7yF;`
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS \&`Q
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? )
(1) 40. N (3) 60. N uI8
(2) 51 N (4) 120 N #*q}
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS K:
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? /~AG-
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m ?tLp
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m /q
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS r1=
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS nRtvq
(2) 2.73 MeV (4) 273 MeV=CT
s
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS aUA
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,k
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。k!
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2007/08/29 02:33pm 
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