Courtney.soden

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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jaersyn

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can you provide a relevant equation maybe?

jaersyn

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formula*

Courtney.soden

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W=k/d^2

Courtney.soden

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117=k/3978^2

Courtney.soden

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k=1851464628

jaersyn

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what is k?

jaersyn

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w = work i presume?

jaersyn

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shouldn't you use the universal gravitational formula for this problem? (haven't taken physics for a little)

Courtney.soden

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w=weight

jaersyn

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no, weight is just mass times gravity w=mg

Courtney.soden

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I am asking for help from my professor this is what she is giving me

jaersyn

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what's k in the formula

jaersyn

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not the number, what does it stand for?

Courtney.soden

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k=just a variable i think

jaersyn

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ohhhhhhh

jaersyn

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k = 1851464628

jaersyn

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w = 1851464628/284^2

jaersyn

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booya there ya'go i think

Courtney.soden

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yess

jaersyn

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4262^2*

Courtney.soden

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I got 101.9

Courtney.soden

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which was correct