| |
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？ _\tx
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS Ugof6)
Qu#HN
A positively charged glass rod attracts object X. 5X
The net charge of object X {qU9^$
(1) may be zero or negative m*H)K
(2) may be zero or positive &Ubwe
(3) must be negative .
(4) must be positive?{m"t
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS $Khjx
The potential energy stored in a compressed 8g
spring is to the change in the spring’s length as the mT(
kinetic energy of a moving body is to the body’s %=gC*
(1) speed (3) radius 'ouq
(2) mass (4) acceleration C{
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS *+{w
What is the resistance at 20.°C of a 2.0-meter \[4
length of tungsten wire with a cross-sectional n7{N
area of 7.9 × 10–7 meter2? 8I8
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω ^
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω P@a
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,<Hmp
What is the speed of a ray of light sw~ff
(f = 5.09 × 1014 hertz) traveling through a block n
of sodium chloride? /?qn
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s -B2s
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s M%i4
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS xI
Two waves traveling in the same medium and .
having the same wavelength (λ) interfere to lOkCeS
create a standing wave. What is the distance H
between two consecutive nodes on this standing ?
wave? #jA
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 6t!R,x
A tritium nucleus is formed by combining two 2,t'-
neutrons and a proton. The mass of this nucleus yme
is 9.106 × 10–3 universal mass unit less than the v
combined mass of the particles from which it is Vjg?h[
formed. Approximately how much energy is rzM.v)
released when this nucleus is formed? >
(1) 8.48 × 10–2 MeV (3) 8.48 Mev 1NWl
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS !umY
Pieces of aluminum, copper, gold, and silver M
wire each have the same length and the same ,d,
cross-sectional area. Which wire has the lowest AO
resistance at 20°C? qVlTw
(1) aluminum (3) gold v{5o
(2) copper (4) silverxTrh
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS rVD
A lithium atom consists of 3 protons, 4 neutrons, N>
and 3 electrons. This atom contains a total of <
(1) 9 quarks and 7 leptons 9w,I
(2) 12 quarks and 6 leptons W-At6
(3) 14 quarks and 3 leptons oN7
(4) 21 quarks and 3 leptons `
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS MCV46E
If a proton were to combine with an antiproton, mWof?y
they would annihilate each other and become H[v
energy. Calculate the amount of energy that b
would be released by this annihilation. n
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS C
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for smA
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. x$."
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 3+(^_
What fundamental force holds quarks together bafCw!
to form particles such as protons and neutrons? a97
(1) electromagnetic force W~~U
(2) gravitational force zZ(b/e
(3) strong force |aX
(4) weak force p%
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS V
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry {9>
asphalt in a straight line at a constant speed of 2.0 meters per second? 0+|QFi
(1) 40. N (3) 60. N B6E
(2) 51 N (4) 120 N \G]
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS e5xv/
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? A"
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m H
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m S[
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ?$oreD
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ,!{e
(2) 2.73 MeV (4) 273 MeVBaZo6l
<e"9f
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS NVO
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS (kM
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。F
| |
按这里注册 
顶端 
加到"个人收藏夹"
主题管理：
总固顶 
消息
查看
搜索
好友
引用
回复
只看我
2007/08/29 02:33pm 
IP: 已设置保密
