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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？\Ia R
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A positively charged glass rod attracts object X. I>YMnI
The net charge of object X o
(1) may be zero or negative B9*
(2) may be zero or positive 0e
(3) must be negative >'
(4) must be positivej
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The potential energy stored in a compressed pb
spring is to the change in the spring’s length as the pH72#(
kinetic energy of a moving body is to the body’s Ga3H:/
(1) speed (3) radius +sPOL
(2) mass (4) acceleration Fn
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS j&+A/
What is the resistance at 20.°C of a 2.0-meter ^2WNa
length of tungsten wire with a cross-sectional [
area of 7.9 × 10–7 meter2? xf:
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω py/y)
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω eo:Z3v
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS S~tL9E
What is the speed of a ray of light HN;0
(f = 5.09 × 1014 hertz) traveling through a block c
of sodium chloride? qcj_dW
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s %
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s <Y
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 9
Two waves traveling in the same medium and PV|`z
having the same wavelength (λ) interfere to Y^ym
create a standing wave. What is the distance 4 `c4i
between two consecutive nodes on this standing b
wave? bw-Sq<
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS oz+;w
A tritium nucleus is formed by combining two Fy^@K
neutrons and a proton. The mass of this nucleus [
is 9.106 × 10–3 universal mass unit less than the %'kd
combined mass of the particles from which it is ~
formed. Approximately how much energy is vE
released when this nucleus is formed? 5bF+G
(1) 8.48 × 10–2 MeV (3) 8.48 Mev tn\C
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Pieces of aluminum, copper, gold, and silver MAWo\
wire each have the same length and the same \
cross-sectional area. Which wire has the lowest ACu;'
resistance at 20°C? i x"
(1) aluminum (3) gold ]'
(2) copper (4) silverDV
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A lithium atom consists of 3 protons, 4 neutrons, 6#I#
and 3 electrons. This atom contains a total of BG
(1) 9 quarks and 7 leptons 4C
(2) 12 quarks and 6 leptons =df
(3) 14 quarks and 3 leptons t+m
(4) 21 quarks and 3 leptons 9uT+$a
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If a proton were to combine with an antiproton, 1F
they would annihilate each other and become \`d
energy. Calculate the amount of energy that j
would be released by this annihilation. IDIJ
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS h?nm(p
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for %
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. #m
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What fundamental force holds quarks together \#*+
to form particles such as protons and neutrons? 5\8t
(1) electromagnetic force P
(2) gravitational force tj
(3) strong force '%n2~A
(4) weak force @
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What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry Z[U~A
asphalt in a straight line at a constant speed of 2.0 meters per second? L/DZ?
(1) 40. N (3) 60. N g
(2) 51 N (4) 120 N PhO\
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS .JG
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? ffY~qt
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m 7R
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m lr
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©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 2x
(2) 2.73 MeV (4) 273 MeVE81R
!)v+&
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©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Cv= 8%
ps：答案baidu上有，如果哪位真的有雅兴清搜索“英语物理题”查查看。最后，千万表告诉我这些题真的有人会做，来这里灌水的话请随便。+K$a
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2007/08/29 02:33pm 
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