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Which characteristic is not likely to be present in a moon that formed from the protoplanetary nebula with its planet?a. prograde orbitb. prograde rotationc. simila...

Question

Which characteristic is not likely to be present in a moon that formed from the protoplanetary nebula with its planet?a. prograde orbitb. prograde rotationc. similar densityd. highly inclined orbite. similar composition

Which characteristic is not likely to be present in a moon that formed from the protoplanetary nebula with its planet? a. prograde orbit b. prograde rotation c. similar density d. highly inclined orbit e. similar composition



Answers

(a) What is the angular momentum of the Moon in its orbit around Earth? (b) How does this angular momentum compare with the angular momentum of the Moon on its axis? Remember that
the Moon keeps one side toward Earth at all times. (c) Discuss whether the values found in parts (a) and (b) seem consistent with the fact that tidal effects with Earth. caused the Moon to rotate with one side always facing Earth.

All right, so in this problem Ah, the satellite ihsaa moving, moving allows circular orbits. So out of the earth. So there's this that light. Ah, so we have four choices. The choice A says that there are no forces acting on the satellites. So this is all right, Because we have the gravitational force, Ray. So G Corp sorry f g quo G times and and over our squid. So, Captain, I m is the mass of the earth. And the small am is the mess of the satellites. And r is the distance from the center of the earth to the satellite. All right and choice pieces that the force of gravity is the only force acting on the satellite. This is the right, All right, So he's right and just say says that the force of the gravity it's balanced to buy out by out war force off the object isn't all right. We do not say such a force, Okay? And she'll say Choice T says that Ah, the mass of the satellite has no effect on the officer speed. This is also right, because ah, to obtain a speed off this satellite when it leaves the question. The central force. The square of our times am it? Call the gravitational force ray G times m and over our sweat So we can see that the velocity of this, the speed off this Ah satellite equal square root G M R. Okay, so we do not rely on the mass of the sun light. So these right? Okay.

It is worth noting that planets like Jupiter cannot be formed so close to their stars because they're made up of volatile materials. With that being said, you can infer that, um, the discovery of these hot Jupiter planets close to their central star must be a feature of the theoretical model of planet migration because they must have moved there. So the answer is C.

At the end of the life cycle for a low mass star. The outer layers of the star rejected away into a planetary nebula, and the core is left over as a white door. So the correct answer here is a

Okay, So, as mentioned in the book, uh, start, um, one of the one of the things that can cause spiral structure and a disc is start formacion. Another thing is gravitational interaction with other Galaxies. So gravitational interaction and also the effect of a, um, bar shaped bulge. So bar of stars going to reflect bulge and also cause, um, disks, two of the spiral arms to form. So the answer is D all, uh, the above.


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