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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？M9#
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS [<I
gex|w2
A positively charged glass rod attracts object X. n<':
The net charge of object X .
(1) may be zero or negative V4ep3M
(2) may be zero or positive ;;K
(3) must be negative SmGO_U
(4) must be positiveHF
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 4Z{
The potential energy stored in a compressed
spring is to the change in the spring’s length as the )0]U
kinetic energy of a moving body is to the body’s o&
(1) speed (3) radius +-9A$
(2) mass (4) acceleration HD
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 5`e
What is the resistance at 20.°C of a 2.0-meter i
length of tungsten wire with a cross-sectional 6z-!J
area of 7.9 × 10–7 meter2? =/
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω b
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω ).<#'!
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS /.>jY8
What is the speed of a ray of light Z0{&(7
(f = 5.09 × 1014 hertz) traveling through a block YQD
of sodium chloride? e01_]
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s t71?{n
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s 7
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 'HF
Two waves traveling in the same medium and (|kR
having the same wavelength (λ) interfere to f
create a standing wave. What is the distance
between two consecutive nodes on this standing lK1U?U
wave?
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,_id
A tritium nucleus is formed by combining two N"BR
neutrons and a proton. The mass of this nucleus T
is 9.106 × 10–3 universal mass unit less than the D
combined mass of the particles from which it is k:
formed. Approximately how much energy is ?p
released when this nucleus is formed? gS
(1) 8.48 × 10–2 MeV (3) 8.48 Mev 7;b
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS qg`R,
Pieces of aluminum, copper, gold, and silver (
wire each have the same length and the same 3f;8D
cross-sectional area. Which wire has the lowest \9$^6
resistance at 20°C? TzS
(1) aluminum (3) gold J~nrG=
(2) copper (4) silverms}f
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS bd
A lithium atom consists of 3 protons, 4 neutrons, Wc;@-
and 3 electrons. This atom contains a total of SH
(1) 9 quarks and 7 leptons >?k
(2) 12 quarks and 6 leptons -ZmB>c
(3) 14 quarks and 3 leptons mi'Rdm
(4) 21 quarks and 3 leptons W ?V0
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS AW]}R
If a proton were to combine with an antiproton, v|Z]
they would annihilate each other and become $Ly*'^
energy. Calculate the amount of energy that sN#V
would be released by this annihilation. "?
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS NhFC7e
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for /
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. U-2?
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS gfy|
What fundamental force holds quarks together `}j
to form particles such as protons and neutrons? O
(1) electromagnetic force I$=rX
(2) gravitational force Bet
(3) strong force H< H
(4) weak force 4n$+
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 7WLCg6
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry &wm-
asphalt in a straight line at a constant speed of 2.0 meters per second? dvIz4t
(1) 40. N (3) 60. N RJi5}u
(2) 51 N (4) 120 N 9|au2K
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS q)1
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? 6(;
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m >cRGb
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m rK$
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 5.?3E
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS T7c
(2) 2.73 MeV (4) 273 MeVX
CwuVw
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS K
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS o>A9RX
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。B{
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2007/08/29 02:33pm 
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