Gravitational Potential Energy
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6 Terms
1
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What is the formula used for objects in orbit?
ac = g prime
v²/ r or 4π²r / T² = GM / r²
(dont forget the mass in ac for circular motion)
2
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Calculate the potential energy of something formula
Ep = -GM1M2 / R (add height to radius if there is any)
3
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Work to move something to one height to another (usually up)
W = Change in Ep = Epf - Epi
4
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Launching something from the surface of a planet to some height (maximum height)
Epi + Eki = Epf
5
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Launching from surface into orbit
Epi + W = Epf + Ekf
6
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Work done to move something from an orbit to a higher orbit
Epi + Eki + W = Epf + Ekf
Note 
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