Rocket propulsion help

How do you go about finding the height reached by a rocket with a changing rocket mass if you know the specific impulse, the mass ratio (original mass/final mass) and the thrust to weight ratio? Any help you can give is greatly appreciated.

edit: I would show you my work on this problem but the honest truth is I do not know where to begin.
Last edited:


Science Advisor
Homework Helper
Good places to start:

What equations do you have that you think *might* apply?
nevermind I went to a study group and we figured it out *hopefully*

The Physics Forums Way

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving