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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？dR|`L
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS f9
[(n
A positively charged glass rod attracts object X. b
The net charge of object X h
(1) may be zero or negative 1@_zQf
(2) may be zero or positive qBh
(3) must be negative _
(4) must be positive=
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS P
The potential energy stored in a compressed E
spring is to the change in the spring’s length as the BcXc
kinetic energy of a moving body is to the body’s 9
(1) speed (3) radius .8
(2) mass (4) acceleration #
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS M5Y
What is the resistance at 20.°C of a 2.0-meter "
length of tungsten wire with a cross-sectional =J(WoW
area of 7.9 × 10–7 meter2? @
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω TRT"5
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω ^pd
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS |b%
What is the speed of a ray of light =N
(f = 5.09 × 1014 hertz) traveling through a block /+#
of sodium chloride? $#IG}>
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s dx`|S
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s 5)N^27
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 23~
Two waves traveling in the same medium and I
having the same wavelength (λ) interfere to o"kq+
create a standing wave. What is the distance b+B
between two consecutive nodes on this standing Q
wave? `x
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS fh
A tritium nucleus is formed by combining two h0[y
neutrons and a proton. The mass of this nucleus Q-`~_P
is 9.106 × 10–3 universal mass unit less than the N)2Sr#
combined mass of the particles from which it is w5F9fo
formed. Approximately how much energy is I
released when this nucleus is formed? O8L
(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 C*#P=
Pieces of aluminum, copper, gold, and silver 4[
wire each have the same length and the same LaQsh0
cross-sectional area. Which wire has the lowest #/c_
resistance at 20°C? R<x
(1) aluminum (3) gold &wl
(2) copper (4) silveryr/5`.
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Sr:XM9
A lithium atom consists of 3 protons, 4 neutrons, ]iIE
and 3 electrons. This atom contains a total of |*
(1) 9 quarks and 7 leptons [B`
(2) 12 quarks and 6 leptons v;uA#U
(3) 14 quarks and 3 leptons kr21c
(4) 21 quarks and 3 leptons \q@#
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Nk
If a proton were to combine with an antiproton, :CH
they would annihilate each other and become )p
energy. Calculate the amount of energy that bo
would be released by this annihilation. e^TZ_
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1')=q|
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for 84e
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. CyW.H*
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS iEx
What fundamental force holds quarks together .Z
to form particles such as protons and neutrons? @ZO]
(1) electromagnetic force PU /
(2) gravitational force UNS
(3) strong force wr
(4) weak force M"|q
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS n]
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry Ye
asphalt in a straight line at a constant speed of 2.0 meters per second? "GI."$
(1) 40. N (3) 60. N !e#hE(
(2) 51 N (4) 120 N {O,
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS {3Gvl
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? h_P8^w
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m z}lF!}
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m HX
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS gDt(`
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS _kh0/e
(2) 2.73 MeV (4) 273 MeV<
GBe%q>
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 1
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS u*<%
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。1
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2007/08/29 02:33pm 
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