is choice C correct? ft Juno currently in a low orbit around Jupiter. Jupiter\'s

Question

is choice C correct?

ft Juno currently in a low orbit around Jupiter. Jupiter's radius is approximately 11 times The spacecra is and the acceleration due to gravity at Juno's location is approximately 2.25 times that of the that of Earth's, acceleration due to gravity on the surface of Earth. If Juno were to have a low orbit orbital speed would be around Earth, its a. Greater than its orbital speed around c. Less than its orbital speed around Jupiter Jupiter the same as its orbital speed around Jupiter. b. d. Not enough information is given

Explanation / Answer

Orbital speed is given by the formula (Vo)

Vo = (g*R) ,

here R is the radius and g is the acceleration due to gravity

Orbital speed of spacecraft Juno at low orbit of earth

Ve = (g*R)

Now,

Orbital speed of spacecraft Juno at low orbit of Jupiter

Radius of Jupiter = 11R

Acceleration due to gravity of Jupiter = 2.25g

So ,

Vo = (2.25g*11R) = 4.98(g*R) = 4.98Ve

Vo = 4.98Ve

So option c is correct

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