ABYSS
发表于 2025-3-28 15:07:32
The Electric Potential,We have just seen how a force motivates the idea of an electric field (the electric force per unit test charge).
线
发表于 2025-3-28 20:21:49
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与野兽博斗者
发表于 2025-3-29 01:39:55
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Habituate
发表于 2025-3-29 05:47:47
Jürgen Fritzsche,Christoph Raschkaior. Such complexity is not surprising, however. Each small visible portion of fluid is made of a huge number of molecules, moving to a considerable extent independently of each other. Yet this many-particle system has at least some simple properties, which form the topic of the present chapter.
BLA
发表于 2025-3-29 08:56:32
John Baldwin,Neil Raven,Robin Webber - Jonestional (or oscillatory) motion. The simplest kind of vibration, exemplified by a pure musical tone, is known as a .. It is found in Nature, if one knows how to look (or listen), as an ingredient of nearly all vibrations—mechanical, electrical, or other. The next chapter will demonstrate its close connection with waves.
MIRTH
发表于 2025-3-29 14:59:52
Introduction to the Theory of the Firm,re by some means. Then static equilibrium cannot exist; some motion of charge will occur. For example, a copper wire connected across the terminals of a battery does indeed have an electric field in it. Conduction electrons then flow along the wire, amounting to an ..
assail
发表于 2025-3-29 18:52:16
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DUCE
发表于 2025-3-29 20:15:13
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初学者
发表于 2025-3-30 03:07:29
Vibrations,tional (or oscillatory) motion. The simplest kind of vibration, exemplified by a pure musical tone, is known as a .. It is found in Nature, if one knows how to look (or listen), as an ingredient of nearly all vibrations—mechanical, electrical, or other. The next chapter will demonstrate its close connection with waves.
spondylosis
发表于 2025-3-30 07:16:49
Direct Currents,re by some means. Then static equilibrium cannot exist; some motion of charge will occur. For example, a copper wire connected across the terminals of a battery does indeed have an electric field in it. Conduction electrons then flow along the wire, amounting to an ..