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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？(:W
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS .Z."
<nRk%
A positively charged glass rod attracts object X. -3T
The net charge of object X NN
(1) may be zero or negative B:4m
(2) may be zero or positive w|NLGD
(3) must be negative >
(4) must be positiveF
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS u'N
The potential energy stored in a compressed G&
spring is to the change in the spring’s length as the |
kinetic energy of a moving body is to the body’s 8@Z:
(1) speed (3) radius 5
(2) mass (4) acceleration -*
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS JT2
What is the resistance at 20.°C of a 2.0-meter <$Y
length of tungsten wire with a cross-sectional r&v@M
area of 7.9 × 10–7 meter2? PcL_+
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω __@
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω Q`w
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Wkws
What is the speed of a ray of light bjlc.
(f = 5.09 × 1014 hertz) traveling through a block J2XR
of sodium chloride? `
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s _WT!g
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s eEg
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS eTg@o
Two waves traveling in the same medium and AaKcU<
having the same wavelength (λ) interfere to znD
create a standing wave. What is the distance ](
between two consecutive nodes on this standing +
wave? '
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS VQ|
A tritium nucleus is formed by combining two >z6wt
neutrons and a proton. The mass of this nucleus I0Okx
is 9.106 × 10–3 universal mass unit less than the t
combined mass of the particles from which it is R
formed. Approximately how much energy is q D
released when this nucleus is formed? oa_i"
(1) 8.48 × 10–2 MeV (3) 8.48 Mev D)IExc
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS QOb&:C
Pieces of aluminum, copper, gold, and silver C[
wire each have the same length and the same (
cross-sectional area. Which wire has the lowest F
resistance at 20°C? c:
(1) aluminum (3) gold ,i2bun
(2) copper (4) silver:xkTJ
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ''_ol
A lithium atom consists of 3 protons, 4 neutrons, Cs<hbo
and 3 electrons. This atom contains a total of }u
(1) 9 quarks and 7 leptons FY}
(2) 12 quarks and 6 leptons R
(3) 14 quarks and 3 leptons $\l&S
(4) 21 quarks and 3 leptons L`j=
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS V
If a proton were to combine with an antiproton, I+e
they would annihilate each other and become >1:8
energy. Calculate the amount of energy that Qts
would be released by this annihilation. 6@bZ
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS y8
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for 5K.$
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. 6
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS HN
What fundamental force holds quarks together Ik)BeH
to form particles such as protons and neutrons? okpw\
(1) electromagnetic force ]sYy;
(2) gravitational force bP[Qh
(3) strong force h:N
(4) weak force ESdBh
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ef8{
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry R
asphalt in a straight line at a constant speed of 2.0 meters per second? 02wj
(1) 40. N (3) 60. N p35xS
(2) 51 N (4) 120 N D
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS y=LF&
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? }
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m <
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m _Y4I
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 62S
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 6.z
(2) 2.73 MeV (4) 273 MeV.s
*kL`
©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 37:V
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。>Q1O2/
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2007/08/29 02:33pm 
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