The weight of a Falcon rocket is 500,000 kg. It will be landed on earth at a constant speed of 100 m/s. To slow down the rocket, combustion gases will be fired at the bottom and leave the rocket at a constant rate of 150 kg/s at a relative velocity of 5000 m/s in the direction of motion of the spacecraft for a period of 10 s. If the mass change of the Falcon rocket cannot be ignored, determine (a) the deceleration of the rocket during this period, (b) the thrust exerted on the rocket.
The weight of a Falcon rocket is 500,000 kg. It will be landed on earth at a constant speed of 100 m/s. To slow down the rocket, combustion gases will be fired at the bottom and leave the rocket at a constant rate of 150 kg/s at a relative velocity of 5000 m/s in the direction of motion of the spacecraft for a period of 10 s. If the mass change of the Falcon rocket cannot be ignored, determine (a) the deceleration of the rocket during this period, (b) the thrust exerted on the rocket.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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