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x=
(v_{0}*t)+(0.5*a*t^{2})




f_{g}=
 (G*m_{1}*m_{2})
 __________
 (r^{2})






v=
orbital path
((G*m_{earth})/r)^{0.5}


T=
the period of the orbit
 (2*π*r^{(2/3)})
 ___________
 (G*m_{earth})^{0.5}



W=
work
KE _{f}KE _{0}
 or
 (0.5*m*v_{f}^{2})(0.5*m*v_{0}^{2})


W_{g}=
PE_{f}PE_{0}
or
(m*g*h_{f})(m*g*h_{0})




J=
IM theorum
(m*v_{f})(m*v_{0})
impulse = change in momentum

