The rocket engines of a spacecraft are fired to increase its velocity by 450 ft/s, knowing that
Question:
The rocket engines of a spacecraft are fired to increase its velocity by 450 ft/s, knowing that 1200 lb of fuel is ejected at a relative velocity of 5400 ft/s, determine the weight of the spacecraft after the firing.
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Step by Step Answer:
Apply conservation of momentum to the rocket plus the fuel 6 MN Am Av M ...View the full answer
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Biplob Ganguli
I have 23 years of teaching experience , for last eight years I am working as Principal of a CBSE school in India. Every moment our mind is affected by thoughts these thoughts should convert to some value in terms of money for livelihood this is the first step of learning, How to think the proper way without getting distracted & move ahead in small steps a teacher a mentor can do that help to the pupil. Students should be taught that there is no shortcuts to reach your goals, there could be some quick tricks in some steps in life & to reach to your goal you need to pass through all the steps.
Knowledge is dynamic what we know now was not known to our ancestors. After getting success in solving a problem we find the next problem is in line waiting to be solved, life is not only problems & solutions. Through out the life span we keep on solving the issues, is that all for which we are here, I induct this question to all my students along with achieving livelihood.
Firstly I begin with solutions to Math problems for my students..... .....
How to think? ? ?
Get online with me I shall share my experiences.
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Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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