Escape Speed from Earth for 7500kg Spacecraft

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    Escape Speed
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Homework Help Overview

The discussion revolves around calculating the escape speed from Earth for a spacecraft with a mass of 7500 kg. The problem involves using the formula for escape velocity, which incorporates the mass and radius of the Earth.

Discussion Character

  • Mathematical reasoning, Assumption checking

Approaches and Questions Raised

  • Participants are discussing the escape speed calculation and the values used for Earth's mass and radius. There are attempts to verify the correctness of the original poster's calculation and the values provided.

Discussion Status

Some participants are questioning the accuracy of the original poster's escape speed result and the values used in the calculation. There is a request for detailed calculations, indicating an ongoing exploration of the problem.

Contextual Notes

There are discrepancies in the values for Earth's radius and mass being discussed, with participants referencing different figures. The original poster mentions using values from a test, which may influence the discussion.

kubombelar
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what is the escape speed from Earth for a 7500kg spacecraft ?
radius of Earth is 6.38*10m and mass is 5.98*10kg.

Homework Equations


square root of 2GM/R

3. The Attempt at a Solution . I found escape speed to be 3.4*10ms. Is this right?
 
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The radius of the Earth is 6.371x106 m.
The mass of the Earth is 5.9742x1024 Kg.

Your answer is not correct.
 
jimmy those were the given values in my test. And am still finding the same answers with yo values
 
kubombelar said:
I found escape speed to be 3.4*10ms.
Show the details of your calculation. (Including the exponents!)
 
What value are you using for G?

G is approximately 6.673x10-11 m3/kg*s2
 

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