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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？y
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS PT8@
ay
A positively charged glass rod attracts object X. [
The net charge of object X &%
(1) may be zero or negative dQY
(2) may be zero or positive q(\[+"
(3) must be negative Pvj6I
(4) must be positives
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS :zKI
The potential energy stored in a compressed !0CkG
spring is to the change in the spring’s length as the >64[V
kinetic energy of a moving body is to the body’s n
(1) speed (3) radius |
(2) mass (4) acceleration HnjZ
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $d'>[
What is the resistance at 20.°C of a 2.0-meter ;x
length of tungsten wire with a cross-sectional [B
area of 7.9 × 10–7 meter2? (N{v#?
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω WD0
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω CK~G
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS v?]9(
What is the speed of a ray of light (W9SZ_
(f = 5.09 × 1014 hertz) traveling through a block D?3`&
of sodium chloride? @?K"
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s i9B
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s %X
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS zU
Two waves traveling in the same medium and '!6i
having the same wavelength (λ) interfere to x;\Y\&
create a standing wave. What is the distance w''U`
between two consecutive nodes on this standing (-}&|
wave? }3y25
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS d7D
A tritium nucleus is formed by combining two m
neutrons and a proton. The mass of this nucleus Gm_Ru
is 9.106 × 10–3 universal mass unit less than the A7;le
combined mass of the particles from which it is i;\
formed. Approximately how much energy is 4H{
released when this nucleus is formed? yIH7
(1) 8.48 × 10–2 MeV (3) 8.48 Mev T)r
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS K
Pieces of aluminum, copper, gold, and silver v!j
wire each have the same length and the same Kb]$=/
cross-sectional area. Which wire has the lowest ['Kt
resistance at 20°C? P^
(1) aluminum (3) gold *f
(2) copper (4) silver*X\J
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS UZs)}Q
A lithium atom consists of 3 protons, 4 neutrons, EWU
and 3 electrons. This atom contains a total of 3];f-~
(1) 9 quarks and 7 leptons |
(2) 12 quarks and 6 leptons JB5HP
(3) 14 quarks and 3 leptons :yA
(4) 21 quarks and 3 leptons h);
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 2xQx
If a proton were to combine with an antiproton, >B
they would annihilate each other and become _D|
energy. Calculate the amount of energy that E}TL
would be released by this annihilation. v9`uAQ
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS #
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. ,]
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS <
What fundamental force holds quarks together jU<z8
to form particles such as protons and neutrons? Y&w8
(1) electromagnetic force T?
(2) gravitational force xQ
(3) strong force 6
(4) weak force P2t)>
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS (ogsu=
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry "Z
asphalt in a straight line at a constant speed of 2.0 meters per second? /+X
(1) 40. N (3) 60. N JLb
(2) 51 N (4) 120 N jlw
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS z/H
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? S,\{
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m L/N?
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m 68)L
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS >h*)
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS _G
(2) 2.73 MeV (4) 273 MeV1`RKa
YAq/I
©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 ?rMys
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。;md
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2007/08/29 02:33pm 
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