February 23, 2017

Homework Help: physicS IMP PLS

Posted by Hil on Monday, December 9, 2013 at 6:34am.

Consider a rocket in space that ejects burned fuel at a speed of Vex = 1.5 km/s with respect to the rocket. The rocket burns 5% of its mass in 280 seconds.
(a) What is the speed V of the rocket after a burn time of 140 seconds (in m/s)?
(b) What is the instantaneous acceleration a of the rocket at time 140.0 seconds after start of the engines (in m/s^20)? I have tried to solve, but not been successful. Thanks for your help.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions