| |
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？(3,A
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS mc
ijt&$
A positively charged glass rod attracts object X. /
The net charge of object X cO
(1) may be zero or negative M*$SO
(2) may be zero or positive wTCrT
(3) must be negative I.JWm
(4) must be positivedI
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS _ s
The potential energy stored in a compressed Ipqh?
spring is to the change in the spring’s length as the mH
kinetic energy of a moving body is to the body’s 8
(1) speed (3) radius 5,
(2) mass (4) acceleration ='UB2
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 5
What is the resistance at 20.°C of a 2.0-meter b}XL
length of tungsten wire with a cross-sectional *E6{EK
area of 7.9 × 10–7 meter2? GNa
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω N^(A
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω &
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS (L
What is the speed of a ray of light e|1
(f = 5.09 × 1014 hertz) traveling through a block *S&pt+
of sodium chloride? Yz
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s z#
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s /U9~9;
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 8f1.
Two waves traveling in the same medium and 9!
having the same wavelength (λ) interfere to K
create a standing wave. What is the distance Aqm*
between two consecutive nodes on this standing w
wave? h`W-f
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS DQ]&ed
A tritium nucleus is formed by combining two Q}e}t\
neutrons and a proton. The mass of this nucleus )P
is 9.106 × 10–3 universal mass unit less than the l[b
combined mass of the particles from which it is 5
formed. Approximately how much energy is WX]
released when this nucleus is formed? f@kr:O
(1) 8.48 × 10–2 MeV (3) 8.48 Mev J6F"
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS E%<2Kv
Pieces of aluminum, copper, gold, and silver 7u\:+u
wire each have the same length and the same J@Y
cross-sectional area. Which wire has the lowest M=$H,
resistance at 20°C? .
(1) aluminum (3) gold K,
(2) copper (4) silverfajj
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS J\N3i
A lithium atom consists of 3 protons, 4 neutrons, gwZ
and 3 electrons. This atom contains a total of _
(1) 9 quarks and 7 leptons GwWH
(2) 12 quarks and 6 leptons TXI2o
(3) 14 quarks and 3 leptons l
(4) 21 quarks and 3 leptons LZUb
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS WmF/}
If a proton were to combine with an antiproton, -7
they would annihilate each other and become RU(6
energy. Calculate the amount of energy that |i
would be released by this annihilation. F'J&(o
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS ?QGq
The magnitude of the force the Sun exerts on Uranus is 1.41 × 1021 newtons. Explain how it is possible for uzy
the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. *Wk
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS 8Y&"lP
What fundamental force holds quarks together !1
to form particles such as protons and neutrons? =V~tx
(1) electromagnetic force 3
(2) gravitational force YBxg8=
(3) strong force z=2e)
(4) weak force $m[xm
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS dy?S%;
What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level, dry b(t
asphalt in a straight line at a constant speed of 2.0 meters per second? g
(1) 40. N (3) 60. N UR2_0z
(2) 51 N (4) 120 N /X&
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS M}
What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite? (*XOE
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m 4iJ
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m 7
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS `
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS At
(2) 2.73 MeV (4) 273 MeVg$r
p
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS r^
©樱花大战--浪漫樱姿BBS -- 樱花大战--浪漫樱姿BBS )Kt
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。>l
| |
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
