Minimum change in velocity Helpppp?

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wahoowa2012
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Minimum change in velocity! Helpppp?

Homework Statement


Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 236 miles and a perigee of 215 miles above the surface of Earth.

Use the rule of thumb that below an altitude of 500 miles, for every 2 feet per second (fps) change in the orbiting space craft’s velocity its altitude will change by 1 mile.


Homework Equations





The Attempt at a Solution

 
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welcome to pf!

hi wahoowa2012! welcome to pf! :wink:

Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile: