Question

The mean distance between Jupiter's center and its moon Ganymede's center is 1.071*10^9 m. Jupiter's mass is 1.90*10^27 kg. Ussuming the orbit to be circular, what is Ganymede's speed?

Answer 1

Gravational force = centrifugal force....ok?

Answer 2

ok

Answer 3

I know how to find the distance. How do you find the speed?

Answer 4

hold on...on a call

Answer 5

k

Answer 6

Back sorry

Answer 7

GMm/r^2 = mv^2/r do u understand this eqn?

Answer 8

G is the gravity constant