- #1

dirk_mec1

- 761

- 13

## Homework Statement

http://img80.imageshack.us/img80/1797/20799357.png

## Homework Equations

General kinetics formulas

## The Attempt at a Solution

Actually I don't know how to start. The initial mass is M when qm energy is used the mass is M-m. If I use an energy balance I must use the integral version, right?

[tex] \int m(t) v \mbox{d}v = qm [/tex]

But I don't know how to start.

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