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Courtney.soden

  • 2 years ago

At sea level 3978(mi from center of earth) an astronaut weighs 117lbs. Find the weight when it is 284 mi above surface of the earth & the spacecraft is not in motion.

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  1. jaersyn
    • 2 years ago
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    can you provide a relevant equation maybe?

  2. jaersyn
    • 2 years ago
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    formula*

  3. Courtney.soden
    • 2 years ago
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    W=k/d^2

  4. Courtney.soden
    • 2 years ago
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    117=k/3978^2

  5. Courtney.soden
    • 2 years ago
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    k=1851464628

  6. jaersyn
    • 2 years ago
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    what is k?

  7. jaersyn
    • 2 years ago
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    w = work i presume?

  8. jaersyn
    • 2 years ago
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    shouldn't you use the universal gravitational formula for this problem? (haven't taken physics for a little)

  9. Courtney.soden
    • 2 years ago
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    w=weight

  10. jaersyn
    • 2 years ago
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    no, weight is just mass times gravity w=mg

  11. Courtney.soden
    • 2 years ago
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    I am asking for help from my professor this is what she is giving me

  12. jaersyn
    • 2 years ago
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    what's k in the formula

  13. jaersyn
    • 2 years ago
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    not the number, what does it stand for?

  14. Courtney.soden
    • 2 years ago
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    k=just a variable i think

  15. jaersyn
    • 2 years ago
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    ohhhhhhh

  16. jaersyn
    • 2 years ago
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    k = 1851464628

  17. jaersyn
    • 2 years ago
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    w = 1851464628/284^2

  18. jaersyn
    • 2 years ago
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    booya there ya'go i think

  19. Courtney.soden
    • 2 years ago
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    yess

  20. jaersyn
    • 2 years ago
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    4262^2*

  21. Courtney.soden
    • 2 years ago
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    I got 101.9

  22. Courtney.soden
    • 2 years ago
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    which was correct

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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