energy theorem能量定律 kinetic energy rejection排出动能 mean kinetic energy平均动能 mechanical kinetic energy机械动能 Kerma (unit of kinetic energy)科玛 kinetic energy of wave波浪动能 相似单词 kineticadj.【物】运动的,运动引起的;活跃的,有力的
CH07 功與動能 Work-Kinetic Energy Theorem 動能(kinetic energy)( K ): K = 1 mv2 2 單位:焦耳(joule,J) 1 joule = 1J = 1kg ⋅ m2 / s2 另外常用的能量單位為電子伏特( eV ) 1eV = 1.6×10−19 J 功(work) Work W is energy transferred to or from an object by means of a ...
Let’s put the Work Kinetic Energy Theorem to good use… W tot = ΔKE F d Suppose there is a forceF acting on a mass m moving with velocity v o (not shown, to the right) in deep space. Let that force act over a displacement d. 2 As always, sketch all of the following proble...
Z博士课堂-大学物理英文教程13-The Law of Rigid Body Rotation/Work and Energy 369 0 01:44:41 App Z博士课堂-大学物理英文教程11-Conservative Force/Potential Energy 222 0 58:48 App Z博士课堂-大学物理英文教程24-Temperature Microscopic Interpretation/Equipartition of Energy 409 0 01:40:15 App ...
The Work-Energy Theorem The net work on a system equals the change in the quantity12mv212mv2. Wnet=12mv2−12mv20Wnet=12mv2−12mv02 The quantity12mv212mv2in the work-energy theorem is defined to be the translationalkinetic energy(KE) of a massmmoving at a speedv. (Translationalkinet...
It gives the formula for the kinetic energy theorem between states 1 and 2. In the mechanics of deformable solids, the internal energy only depends on the strain state. By using the analogy with the work of external forces, the chapter defines the strain energy. Then in order to determine ...
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Work and Energy 1. Definition of kinetic energy K: 2. The work-energy theorem: 2 2 1 1 2 2 netF f i W mv mv = − (11-24) “The net work done by the forces acting on a body is equal to the change in the kinetic energy of the body.” Ch.11 Energy I: Work and kinet...
大学物理英文课件:5-work and energy.pdf,Chapter 3 Work and Energy §1 Work §2 Work – Kinetic Energy Theorem §3 Conservative Forces and Potential Energy §4 Work-Energy Theorem and Conservation of Mechanical Energy §5 The Gradient §1 Work (P147) 1. W
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