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Mathematics 13 Online
OpenStudy (anonymous):

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?

OpenStudy (superdavesuper):

Gravational force = centrifugal force....ok?

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

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

OpenStudy (superdavesuper):

hold on...on a call

OpenStudy (anonymous):

k

OpenStudy (superdavesuper):

Back sorry

OpenStudy (superdavesuper):

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

OpenStudy (superdavesuper):

G is the gravity constant

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