查看会员资料
用 户 名：sl***
发送消息- Email：用户隐藏
- Icq/MSN：
- 电话号码：
- Homepage：
- 会员简介：
最新会员发布资源
ProjectCode
- The objective is to find out the time at which the rocket reaches a speed of 1000m/s (3600km/hr). Analysis We know the following: * Initial mass of the rocket and fuel, 160000kg, or 160 metric tons. * Fuel combustion exhaust velocity relative