kinetic adj.【物】运动的,运动引起的;活跃的,有力的 theorem n.【术语】(尤指数学)定理 energy n. 1. 活力,干劲,能力 2.[常用复数] 精力;能力;力量 3.【物理】(原子、电、辐射的)能,能量,(可利用)能量(如电能、热能等) 4. 表达力;(语言、文体、文笔等的)生 work n.[U] 1.工作;职业 2....
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 ...
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...
The quantity 12mv212mv2 in the work-energy theorem is defined to be the translational kinetic energy (KE) of a mass m moving at a speed v. (Translational kinetic energy is distinct from rotational kinetic energy, which is considered later.) In equation form, the translational kinetic energy,...
Learn to define work and energy. Discover the work energy theorem and the work energy theorem equation. See the relationship between work and...
Work and Kinetic Energy – The Work-Energy Theorem Consider an object with an initial velocity ‘u’. A force F, applied on it displaces it through ‘s’, and accelerates it, changing its velocity to ‘v’. Its equation of motion can be written as: v2 –u2 = 2as Multiplying this ...
Energy 6.1 TheImportantStuff 6.1.1 KineticEnergy Foranobjectwithmassmandspeedv,thekineticenergyisdefinedas K=1 2mv2 (6.1) Kineticenergyisascalar(ithasmagnitudebutnodirection);itisalwaysapositive number;andithasSIunitsofkg·m2/s2.ThisnewcombinationofthebasicSIunitsis ...
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Galilean relativity, special relativity and the work-kinetic energy theorem revisitedPhysics - General PhysicsTransformation equations for the kinetic energy of the same bullet in Galileo's and Einstein's special relativity are derived. The special relativity result is extended to the case of a photon...