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anonymous
 one year ago
(SIMPLE GRAVITY QUESTION!) A 250 gram apple falls to the ground. Using the equation for gravitational force, determine the mass of the Earth. (assume the distance between the apple and the center of the Earth is the Radius of the Earth: 6,400km)
anonymous
 one year ago
(SIMPLE GRAVITY QUESTION!) A 250 gram apple falls to the ground. Using the equation for gravitational force, determine the mass of the Earth. (assume the distance between the apple and the center of the Earth is the Radius of the Earth: 6,400km)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i actually got 6.02*10^18 which seems more likely but is still not the mass of the earth..

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.2show your workings, please.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@irishboy123 here you go:

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Please put units in your work otherwise it's very confusing, also use meters for distance.

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1dw:1435181108646:dw it's best if you do the algebra first. So please can you do that now?

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Also note, the mass of the apple will get cancelled out so you just need, dw:1435181298393:dw

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.2manish i reckon astro has nailed this for you  already(!) cool question!
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