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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？Nx7t
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS |UP
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A positively charged glass rod attracts object X. zUVhw
The net charge of object X @
(1) may be zero or negative )
(2) may be zero or positive ?*x
(3) must be negative |hoP[h
(4) must be positiveeZ&[
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS YDJji(
The potential energy stored in a compressed tkL:7!
spring is to the change in the spring’s length as the G:
kinetic energy of a moving body is to the body’s 0G
(1) speed (3) radius 9&k\Bd
(2) mass (4) acceleration )
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 9
What is the resistance at 20.°C of a 2.0-meter 8E
length of tungsten wire with a cross-sectional (lthY
area of 7.9 × 10–7 meter2? eU
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω #gS
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω #7EX
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS m#A
What is the speed of a ray of light I?%2"
(f = 5.09 × 1014 hertz) traveling through a block oL=oLM
of sodium chloride? [m!
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s ~TTE
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s j
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Xf"|Aa
Two waves traveling in the same medium and 1
having the same wavelength (λ) interfere to yLI
create a standing wave. What is the distance ]!swz
between two consecutive nodes on this standing Xy2
wave? [
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS +
A tritium nucleus is formed by combining two v
neutrons and a proton. The mass of this nucleus ;Po
is 9.106 × 10–3 universal mass unit less than the GU7\Yo
combined mass of the particles from which it is N&
formed. Approximately how much energy is s$IRW8
released when this nucleus is formed? 50?j
(1) 8.48 × 10–2 MeV (3) 8.48 Mev ?
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS F"o
Pieces of aluminum, copper, gold, and silver X.h1^
wire each have the same length and the same $q
cross-sectional area. Which wire has the lowest y
resistance at 20°C? u
(1) aluminum (3) gold 65f\
(2) copper (4) silver4Z
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS /K
A lithium atom consists of 3 protons, 4 neutrons, L+Jo4
and 3 electrons. This atom contains a total of #9;
(1) 9 quarks and 7 leptons q|'A
(2) 12 quarks and 6 leptons eT
(3) 14 quarks and 3 leptons ,HH&yO
(4) 21 quarks and 3 leptons F
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS OUq83B
If a proton were to combine with an antiproton, p{cL45
they would annihilate each other and become S+b!Tz
energy. Calculate the amount of energy that @R+$=
would be released by this annihilation. Oj r
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS =ifm]
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for C
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. .4jd
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS bLbP$@
What fundamental force holds quarks together ^YYG[
to form particles such as protons and neutrons? 1&
(1) electromagnetic force cqiZqC
(2) gravitational force !fiY"
(3) strong force -
(4) weak force kUVRB@
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS c:iR
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry Mln!pu
asphalt in a straight line at a constant speed of 2.0 meters per second? J
(1) 40. N (3) 60. N Z$)
(2) 51 N (4) 120 N ;e#O
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS +7
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? 0vKPj
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m n6d
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m @;I
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS "(
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 0R
(2) 2.73 MeV (4) 273 MeV;
}2,
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS \RC|
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 'KPY-&
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。n"R
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2007/08/29 02:33pm 
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