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I have just solved it completely thanks everyone

How to calculate the extrema? for example, When v10 < V < v20 From d(tanθ)/dθ10 < 0, how can get the solution 0 < θ < π ? I can get it only when V2 = v10v20

What's your tanθ? I also used algebra program but the result is same as my calculation

In C system, total momentum is 0 it is just m1v10+m2v20 = 0 In L system, v1=v10+V, v2=v20+V, and total momentum is not 0 The particles we looking at are in L system.

in description θ = θ1 + θ2 and θ10 + θ20 = π

The problem is Determine the range of possible values of the angle θ following the figure.

<Moderator's note: Moved from a technical forum and thus no template.> Mechanics by Lev D. Landau & E. M. Lifshitz Chapter 4 Collisions between particles §16. Disintegration of particles Problem 3 The angle θ = θ1 + θ2 It is simplest to calculate the tangent of θ. A consideration of the...

Thank you very much And I found the derivation of continuity equation so I understood the second equation

Hello. Glad to meet you, everyone I am studying the [Mathematical Methods for Physicists; A Comprehensive Guide (7th ed.) - George B. Arfken, Hans J. Weber, Frank E. Harris] In Divergence of Vector Field, I do not understand that How to transform the equation in left side into that in right...

Hello I am studying Landau Mechanics (3rd ed.) In chapter III Integration of the Equations of Motions §15. Kepler's problem page 36 M(angular momentum), m(mass), E(mechanical energy), and α are constant. How to integrate it? Please help me...

Hello I am Korean (Republic of Korea) and I am veterinarian I am interest in physics and mathematics. Thanks

Thank you I understood it

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Hello I was born and live in Republic of Korea (South Korea). I am super genius. I love mathematics, physics, music, physiology, and my girlfriend, who would be my wife. I majored in veterinary medicine, so I am veterinarian or D.V.M. I planned for studying to followings. Mathematical Methods...