Two satellites are in circular orbits around a planet that has radius 9.00x10^6 m. one satellite has mass 53.0 kg , orbital radius 8.20×10^7 m, and orbital speed 4800 m/s. the second satellite has mass 54.0 kg and orbital radius 7.00×10^7 m.

a) what is the orbital speed of this second satellite?
v=?

The orbital speed of this second satellite is 5195.16 m/s.

Explanation:

Given that,

Orbital radius of first satellite

Orbital radius of second satellite

Mass of first satellite

Mass of second satellite

Orbital speed of first satellite = 4800 m/s

We need to calculate the orbital speed of this second satellite

Using formula of orbital speed

From this relation,

Now,

Put the value into the formula

Hence, The orbital speed of this second satellite is 5195.16 m/s.

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jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.