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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？lR.P
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS "L\LS
(]gk
A positively charged glass rod attracts object X. Vd2:VP
The net charge of object X du
(1) may be zero or negative Hgad&
(2) may be zero or positive Q<\O
(3) must be negative 'Mz2/
(4) must be positivepl
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS +.Ak9+
The potential energy stored in a compressed ~b
spring is to the change in the spring’s length as the WI&
kinetic energy of a moving body is to the body’s |l
(1) speed (3) radius PNN
(2) mass (4) acceleration gta:
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS N|6^T
What is the resistance at 20.°C of a 2.0-meter h
length of tungsten wire with a cross-sectional Zy`
area of 7.9 × 10–7 meter2? c
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω b
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω |++
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 8@d
What is the speed of a ray of light 1
(f = 5.09 × 1014 hertz) traveling through a block I5
of sodium chloride? ?
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s gV (
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s /
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS !*
Two waves traveling in the same medium and yykLoo
having the same wavelength (λ) interfere to r
create a standing wave. What is the distance P\Rh{=
between two consecutive nodes on this standing G$$cH=
wave? BC
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 'Q/I
A tritium nucleus is formed by combining two d iF
neutrons and a proton. The mass of this nucleus ,*,;
is 9.106 × 10–3 universal mass unit less than the 0o>E4L
combined mass of the particles from which it is lS
formed. Approximately how much energy is cuC.
released when this nucleus is formed? TLC{~
(1) 8.48 × 10–2 MeV (3) 8.48 Mev *_G
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS K~24%
Pieces of aluminum, copper, gold, and silver 3:U'
wire each have the same length and the same [^
cross-sectional area. Which wire has the lowest vdY}A
resistance at 20°C? /I
(1) aluminum (3) gold C
(2) copper (4) silver:27
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS L;0
A lithium atom consists of 3 protons, 4 neutrons, ~"
and 3 electrons. This atom contains a total of Eoy!$
(1) 9 quarks and 7 leptons )LoBD*
(2) 12 quarks and 6 leptons
(3) 14 quarks and 3 leptons |O
(4) 21 quarks and 3 leptons <`
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1<]
If a proton were to combine with an antiproton, )k
they would annihilate each other and become S9)fM
energy. Calculate the amount of energy that M\Hh'|
would be released by this annihilation. %W@>
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ' (V
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for jj
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. K|y1Ri
©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? 3c(oo
(1) electromagnetic force @
(2) gravitational force /B:acp
(3) strong force `)
(4) weak force ;QX{s
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS (=.k|b
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry @/H
asphalt in a straight line at a constant speed of 2.0 meters per second? -XON`"
(1) 40. N (3) 60. N Ss -
(2) 51 N (4) 120 N ?f!
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ?ylT
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? %1
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m $Xd{
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m 9KTL!i
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS W
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 5\\l_d
(2) 2.73 MeV (4) 273 MeV \@rX
N
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS !n
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 0v&eI|
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。8=>0)x
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2007/08/29 02:33pm 
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