General Physics (Calculus-Based), Volume 1 · 免费预览
9.7 火箭推进
该问题中火箭的质量和速度都在变化；此外，喷出气体的总质量也在变化。如果我们把系统定义为火箭……
1. Overview
Overview
2. Physical Analysis
Physical Analysis
3. Rocket in a Gravitational Field
Rocket in a Gravitational Field
4. Check Your Understanding
Check Your Understanding