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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
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS kA[
&K
A positively charged glass rod attracts object X. |>4J^
The net charge of object X (ZwO
(1) may be zero or negative x
(2) may be zero or positive M
(3) must be negative 3_l
(4) must be positivelzPh
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,viC2
The potential energy stored in a compressed kf
spring is to the change in the spring’s length as the a
kinetic energy of a moving body is to the body’s 18T
(1) speed (3) radius cm/6,%
(2) mass (4) acceleration <
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS y;Aq_,
What is the resistance at 20.°C of a 2.0-meter N,;H
length of tungsten wire with a cross-sectional VhP
area of 7.9 × 10–7 meter2? #B<9zP
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω TGRF6<
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω kacP
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 6P3
What is the speed of a ray of light hb
(f = 5.09 × 1014 hertz) traveling through a block X0K'
of sodium chloride? bf,q60
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s m,f6b?
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s nH
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 7j
Two waves traveling in the same medium and K
having the same wavelength (λ) interfere to A;(
create a standing wave. What is the distance WOr8pO
between two consecutive nodes on this standing S5|j)m
wave? lT3zf
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS x7=
A tritium nucleus is formed by combining two RP/3L>
neutrons and a proton. The mass of this nucleus UpH|
is 9.106 × 10–3 universal mass unit less than the f8
combined mass of the particles from which it is IwA_%
formed. Approximately how much energy is 7k}4
released when this nucleus is formed? 3*|b>N
(1) 8.48 × 10–2 MeV (3) 8.48 Mev _M*
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS _AxF
Pieces of aluminum, copper, gold, and silver HR+lzn
wire each have the same length and the same X:
cross-sectional area. Which wire has the lowest |u
resistance at 20°C? %6
(1) aluminum (3) gold Js
(2) copper (4) silver)
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS :q
A lithium atom consists of 3 protons, 4 neutrons, <e=*&
and 3 electrons. This atom contains a total of R
(1) 9 quarks and 7 leptons ^|&
(2) 12 quarks and 6 leptons -\yn7h
(3) 14 quarks and 3 leptons c6`Ea
(4) 21 quarks and 3 leptons ANsg
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS *cJ:Y6
If a proton were to combine with an antiproton, 'd`1bO
they would annihilate each other and become xfPdO
energy. Calculate the amount of energy that g))q'1
would be released by this annihilation. l^eT/;
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS HFB&LZ
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for :j
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. 2(r
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $
What fundamental force holds quarks together u.f1p#
to form particles such as protons and neutrons? |at{
(1) electromagnetic force D/kj$
(2) gravitational force V
(3) strong force ase}
(4) weak force QB~,i/
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS H*!
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry xLuc
asphalt in a straight line at a constant speed of 2.0 meters per second? &7-<>)
(1) 40. N (3) 60. N 37Lz&
(2) 51 N (4) 120 N c!Ftbc
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS J8XJ#
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? !i\
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m COx
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m (
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS dp&-"@
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS }
(2) 2.73 MeV (4) 273 MeVrLy8
JU
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS e|H7<X
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS #@
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。gG$
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2007/08/29 02:33pm 
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