英语翻译10 A positively charged glass rod attracts object X.The net charge of object X(1) may be zero or negative(2) may be zero or positive(3) must be negative(4) must be positive14 The potential energy stored in a compressedspring is to the cha

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英语翻译10 A positively charged glass rod attracts object X.The net charge of object X(1) may be zero or negative(2) may be zero or positive(3) must be negative(4) must be positive14 The potential energy stored in a compressedspring is to the cha

英语翻译10 A positively charged glass rod attracts object X.The net charge of object X(1) may be zero or negative(2) may be zero or positive(3) must be negative(4) must be positive14 The potential energy stored in a compressedspring is to the cha
英语翻译
10 A positively charged glass rod attracts object X.
The net charge of object X
(1) may be zero or negative
(2) may be zero or positive
(3) must be negative
(4) must be positive14 The potential energy stored in a compressed
spring is to the change in the spring’s length as the
kinetic energy of a moving body is to the body’s
(1) speed (3) radius
(2) mass (4) acceleration
18 What is the resistance at 20.°C of a 2.0-meter
length of tungsten wire with a cross-sectional
area of 7.9 × 10–7 meter2?
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω
30 What is the speed of a ray of light
(f = 5.09 × 1014 hertz) traveling through a block
of sodium chloride?
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s
32 Two waves traveling in the same medium and
having the same wavelength (λ) interfere to
create a standing wave.What is the distance
between two consecutive nodes on this standing
wave?
35 A tritium nucleus is formed by combining two
neutrons and a proton.The mass of this nucleus
is 9.106 × 10–3 universal mass unit less than the
combined mass of the particles from which it is
formed.Approximately how much energy is
released when this nucleus is formed?
(1) 8.48 × 10–2 MeV (3) 8.48 Mev
43 Pieces of aluminum,copper,gold,and silver
wire each have the same length and the same
cross-sectional area.Which wire has the lowest
resistance at 20°C?
(1) aluminum (3) gold
(2) copper (4) silver51 A lithium atom consists of 3 protons,4 neutrons,
and 3 electrons.This atom contains a total of
(1) 9 quarks and 7 leptons
(2) 12 quarks and 6 leptons
(3) 14 quarks and 3 leptons
(4) 21 quarks and 3 leptons
58 If a proton were to combine with an antiproton,
they would annihilate each other and become
energy.Calculate the amount of energy that
would be released by this annihilation.
69 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.
35 What fundamental force holds quarks together
to form particles such as protons and neutrons?
(1) electromagnetic force
(2) gravitational force
(3) strong force
(4) weak force
39 What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level,dry
asphalt in a straight line at a constant speed of 2.0 meters per second?
(1) 40.N (3) 60.N
(2) 51 N (4) 120 N
50 What is the wavelength of a light ray with frequency 5.09 × 1014 hertz as it travels through Lucite?
(1) 3.93 × 10–7 m (3) 3.39 × 1014 m
(2) 5.89 × 10–7 m (4) 7.64 × 1014 m
(2) 2.73 MeV (4) 273 MeV

英语翻译10 A positively charged glass rod attracts object X.The net charge of object X(1) may be zero or negative(2) may be zero or positive(3) must be negative(4) must be positive14 The potential energy stored in a compressedspring is to the cha
10 一个带正电的玻璃棒可以吸引物体X,那么物体X的净电荷为
（1） O或者是负电
（2） 0或者是正电
（3）一定是负电
（4）一定是正电
14 存储于一个压缩了的弹簧中势能对于弹簧的长度好比一个运动物体的动能对于 (1) 速度 (3) 半径
(2) 质量 (4) 加速度
18 20.°C 时一个长2米,纵切面面积为7.9 × 10–7平方米的钨丝的电阻是多少?
(1) 5.7 × 10–1 Ω (3) 7.1 × 10–2 Ω
(2) 1.4 × 10–1 Ω (4) 4.0 × 10–2 Ω
30 当一束光穿过一块氯化钠时的速度是多少(f = 5.09 × 1014 hertz)?
(1) 1.54 × 108 m/s (3) 3.00 × 108 m/s
(2) 1.95 × 108 m/s (4) 4.62 × 108 m/s
32 两列波在同一种介质中传播并且具有相同的波长(λ) ,它们相干产生一个驻波,那么这个驻波的两个连续节点之间的距离是多少?
35 一个氚原子核由两个中子和一个质子组成,这个原子核的质量比这些微粒形成时的总质量（指两个中子和一个质子）要少 9.106 × 10–3 国际质量单位,那么当这个原子核形成的时候发出的能量大约是多少?
(1) 8.48 × 10–2 MeV (3) 8.48 Mev
43 一根铝、铜、金和银导线具有相同的长度和横截面积,那么在20摄氏度哪个导线的电阻最低?(1) 铝 (3)金
(2) 铜 (4)银
51 一个锂原子由三个质子,四个中子和三个电子组成,那么这个原子总共含有：(1) 9 个夸克 和 7 个轻子
(2) 12 夸克 和 6 个轻子
(3) 14 个夸克 和 3 个轻子
(4) 21 个夸克 和3 个轻子

英语翻译it can be envisioned as a coulombic attraction between the positively charged nuclei and the negatively charged shared electron pair localized between the two Cl atoms 英语翻译10 A positively charged glass rod attracts object X.The net charge of object X(1) may be zero or negative(2) may be zero or positive(3) must be negative(4) must be positive14 The potential energy stored in a compressedspring is to the cha 英语翻译In China,a particular favorite is Norwegian Salmon which is highly regarded as a food that positively contributes to lifestyles in the aspects of prosperity,health and beauty just to name a few. 英语翻译In this paper,a simple framework is proposed to delineate how structural monitoring at component and network levels of bridges can positively contribute to the preservation of a rehabilitated component bridge and the asset management of n 英语翻译That is,they act to influence (magnify,reduce,or otherwise modify) the effect of stimulus variables on response variables positively toward a brand may actually be perceived negatively by some consumers who happen to hold an unfavorable a 英语翻译in this paper,a simple framework is proposed to delineate how structural monitoring at component and network levels of bridges can positively contribute to the preservation of a rehabilitated component bridge and the asset management of n 英语翻译Cooperation can evolve if individuals withheritable cooperative tendencies can positively assort (Wilson & Dugatkin,1997;Fletcher & Doebeli,2009; Smaldino & Schank,2012a),meaning that they tend to interactmore with one another than at ran 英语翻译Soluble hydrolysis products may bind with NOM functional groups and small,positively charged microcrystalline metal hydroxide particles can be stabilized by the adsorption of a negatively charged coating of NOM 为什么不用think positively? 英语翻译SEPTEMBER 08,2013NEW YORK 2013年九月纽约By Brittany Adams 在布列塔尼的亚当斯Madrid-based label Delpozo made a splash with its New York fashion week debut last season and delivered again for Spring with a positively enchantin 英语翻译A lot of animated movies have inspired sequels,notably Shrek, but Brad Bird's Ratatouille is the first one that made me positively desire one.Remy,the earnest little rat who is its hero,is such a lovable,determined,gifted rodent that 英语翻译In our study,S.thermophilus was retrieved from only one volunteer on day 7,but we cannot exclude the possibility that a prolonged ingestion period or a larger amount of ingested yogurt,as described by Mater et al.(22),could positively aff 英语翻译At a pH of 3,the carboxylic acid of the side chains of aspartic and glutamic acid,as well as the C-terminal carboxylic acid,are neutralized by protonation and the basic sites are positively charged.不要给我那些直接复制到在线 1.How many electrons have removed from a positively charged pith-ball electroscope if it has a charge of 7.5×10^-11C?2.What is the charge in coulombs on an object that has(1)An excess of 6.25×10^19 electrons?（2）An deficiency of 1.0×10^8 electr 一道大学物理题（由于小弟英语授课）英文题目Two small,positively charged spheres have a combined charge of 2.5×10-5C.If each sphere is repelledfrom the other by an electrostatic force of 1N when thespheres are 2 m apart,what is th think positively can become a habit无从下手 提供些句子或者给我些英语常用句型、不背不学的大学想要写点作文可真难! 4.The UN member states _ positively and quickly after the quake rocked Haiti.A.reflected B.replied C.rejected D.responded翻译和讲解, describe a special experience which has changed your positively.Explain how it changed you.Include reasons and details to support your respons.