What is the correct derivation of the relativistic rocket equation?
Sep 20, 2005 · I'm trying to derive the relativistic rocket equation, and I'm getting two different answers depending on the method I use. I think the first method is...
The rocket equation, one more time | Page 2 • Physics Forums
Nov 9, 2025 · The discussion centers on the confusion surrounding the rocket equation and the treatment of mass changes in variable mass systems. Participants highlight discrepancies in how …
The rocket equation, one more time • Physics Forums
Nov 9, 2025 · The discussion centers on the confusion surrounding the rocket equation and the treatment of mass changes in variable mass systems. Participants highlight discrepancies in how …
How to Apply Newton’s Second Law to Variable Mass Systems
Aug 15, 2023 · Newton’s second law is and that’s a fact. However, it is no coincidence that derivations of the rocket equation do not involve free-body diagrams. With variable mass systems, one must …
How does burn time affect the parameters in the rocket equation ...
Feb 11, 2024 · Burn time in rocket propulsion primarily influences the acceleration profile rather than the final speed change, as long as the ejection speed and mass parameters remain constant. In the …
Separation of variables - rocket equation • Physics Forums
Nov 27, 2016 · hello there Im trying to do a derivation of tsiolkovsky's rocket equation, but i got stuck at the step when i have to use separation of variables (marked...
Find Mass Flow Rate: Formula & Explanation from a Rocket
Mar 1, 2009 · I want to clarify this because I'm still not sure how to find the mass flow rate, for instance from a rocket. I still puzzled from the formula that...
Deriving the relativistic rocket equation with exhaust efficiency
Mar 29, 2024 · The discussion revolves around the relativistic rocket equation and its derivation, particularly when factoring in the annihilation of propellant to usable exhaust. The user is attempting …
Why is dm negative in the rocket equation derivation?
Nov 6, 2005 · In the discussion on the rocket equation derivation, the term "dm" is identified as negative because it represents mass loss from the rocket. This leads to confusion when comparing different …
What is the derivation of the rocket equation? - Physics Forums
May 12, 2015 · Hello, A little something I've been working on for fun today was trying to derive the rocket equation: Δv=V_ {e}ln (R) So first I start with F=ma...