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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？jod
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS k?,uP?
BUH=cF
A positively charged glass rod attracts object X. A)|,d<
The net charge of object X ':]
(1) may be zero or negative SU
(2) may be zero or positive ]=Y
(3) must be negative cGqq
(4) must be positivef
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS A{T
The potential energy stored in a compressed xZr17
spring is to the change in the spring’s length as the Kh
kinetic energy of a moving body is to the body’s hUG/B
(1) speed (3) radius =8A?"v
(2) mass (4) acceleration kil2
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS x^5
What is the resistance at 20.°C of a 2.0-meter WB+y%z
length of tungsten wire with a cross-sectional ?Y_
area of 7.9 × 10–7 meter2? z|?
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω LThaJw
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω cm*
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ;
What is the speed of a ray of light D]4
(f = 5.09 × 1014 hertz) traveling through a block Ca
of sodium chloride? TC5R
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s 3;UY
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s _jKC{
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS JJf~M4
Two waves traveling in the same medium and ['
having the same wavelength (λ) interfere to *l=n%v
create a standing wave. What is the distance b+
between two consecutive nodes on this standing K|_W
wave? Wz
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS n ?P
A tritium nucleus is formed by combining two /
neutrons and a proton. The mass of this nucleus |@<q
is 9.106 × 10–3 universal mass unit less than the [
combined mass of the particles from which it is l
formed. Approximately how much energy is BXiW
released when this nucleus is formed? %Z
(1) 8.48 × 10–2 MeV (3) 8.48 Mev w\<
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS >}lo_
Pieces of aluminum, copper, gold, and silver v~p
wire each have the same length and the same dq:
cross-sectional area. Which wire has the lowest /"=}u
resistance at 20°C? Pw69JL
(1) aluminum (3) gold p>j4u
(2) copper (4) silver9?\
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 72Lu$
A lithium atom consists of 3 protons, 4 neutrons, =.
and 3 electrons. This atom contains a total of SR#/3h
(1) 9 quarks and 7 leptons *
(2) 12 quarks and 6 leptons 6
(3) 14 quarks and 3 leptons 5I4
(4) 21 quarks and 3 leptons H#0"h
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS &sxj`w
If a proton were to combine with an antiproton, z$]^}
they would annihilate each other and become v\II&
energy. Calculate the amount of energy that Q^
would be released by this annihilation. \
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS &Q<
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for a_='
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. i
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS (H
What fundamental force holds quarks together U~VVe
to form particles such as protons and neutrons? ia
(1) electromagnetic force ~$U
(2) gravitational force N,"@\Q
(3) strong force A$L5
(4) weak force +=5'3=
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Q_Ld&
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry k*9fU
asphalt in a straight line at a constant speed of 2.0 meters per second? -L
(1) 40. N (3) 60. N \t>J>
(2) 51 N (4) 120 N %L{7-
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS VK
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? hO\'0g
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m kM'\
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m 3|b
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS }3&
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ^l,@
(2) 2.73 MeV (4) 273 MeVf~
[Xb#\F
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS K3{70
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS r8'3
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。&
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2007/08/29 02:33pm 
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