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anhsu anhsu
wrote...
Posts: 498
4 years ago
Solve the problem.


At lift-off, a rocket weighs 40.7 tonnes, including the weight of fuel.  It is fired vertically, and the fuel is consumed at the rate of 2.90 tonnes per 1,000 m of ascent.  How much work is done in lifting the rocket to an altitude of 14,000 m?

▸ 8.54 × 105 m∙tonne

▸ 4.28 × 105 m∙tonne

▸ 3.80 × 105 m∙tonne

▸ 2.86 × 105 m∙tonne
Textbook 
Basic Technical Mathematics with Calculus

Basic Technical Mathematics with Calculus


Edition: 10th
Author:
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1 Reply

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Replies
wrote...
4 years ago
2.86 × 105 m∙tonne
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