The acceleration due to gravity, g , is given by (c) What is the percentage chan
ID: 2999287 • Letter: T
Question
The acceleration due to gravity,g, is given by
(c)What is the percentage change ingwhen moving from sea level to the top of Mount Elbert (a mountain over 14,000 feet tall in Colorado; in km, its height is 4.29 km; assume the radius of the Earth is 6400 km)?
percent change =_____?
Explanation / Answer
g = (GM)/r^2 dg/dr = -2 (GM) / r^3 dg = -2(GM)/r^3 dr That is it. If that is not what you want, please post the actual problem and we can advise from the start. You might not be needing this differential. ------ You do realize that it does not matter if constants are squared (GM), you still have r^{-2} which differentiates to -2 r^{-3}, which is what all of us wrote (and we never squared the whole thing either...I do not understand what you are talking about). (a) g(r) = GM/r^2 taking the distance to be Delta r = x, we have g(r + x) = GM / (r + x)^2 = GM / { r^2 (1 + x/r)^2} The quantity x/rRelated Questions
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