Question

Guys i really need help w/ this question!
A 203.7-kg satellite is orbiting planet Y at an altitude of 1.3x10^6 meters above its surface and with an orbital period of 19.4 hours. If the planet has a mass of 1.9x10^24 kg, then determine the radius of planet Y.

Answer 1

(GMm)/(r^2)=mg

Answer 2

thx 8

Answer 3

im going to fail this test btw.

Answer 4

Well, you won't if you study.

Answer 5

It says it wrong

Answer 6

what do i put for little g

Answer 7

Nevermind sorry, you had to use this equation: (GM)/(4pi^2) = (R^3)(T^2).