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Lina20 [59]
3 years ago
8

For what eccentricity is the secondary focus (which is usually empty) locatedat the sun? What is the shape of this orbit?

Geography
1 answer:
Sophie [7]3 years ago
5 0

Answer:

The eccentricity is zero. The shape of the orbit is a circle.

Explanation:

This question is about eccentricity which is calculated by dividing the distance  between the center and focus of the ellipse by the length of the semi-major axis. When the second focus (mostly empty) is situated approximately at the sun, the eccentricity is equivalent to zero. In addition, the shape of this type of orbit is a circle.  

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Name 4 ways the hydrosphere (water) interacts with the geosphere (land).
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Water from rivers erodes the banks, the ice breaks up rocks, intense rainfall causes mass wasting, water from rainfall flows as runoff and creates ripples.

Explanation:

Earth has several spheres, all of which have their own unique characteristics that define them as such. Despite all of them being very different from each other, they can not exist in the form they are if there is no interaction with the other spheres, thus all of the spheres are interconnected and they depend on one another.

Two of those hydrospheres are the hydrosphere and geosphere, and they interact in many different ways. When there is rainfall, the water that ends on land flows as runoff until it reaches a water body, and while it does so it manages to create ripples in the ground. If there is intense rainfall in an area where there is steep and unstable terrain, it can easily cause mass wasting by oversaturating the soil with water. The water that flows in the rivers with its power is constantly eroding the banks. If water freezes and turns to ice because its volume becomes greater, it is able to break up rocks with the pressure it creates on them.

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3 years ago
It's urgent please help! find the perimeter of the triangle with vertices listed (-5,2), (3,2), (1,6)
vovangra [49]

Answer:

19.68

Explanation:

Given:

Vertices : (-5,2), (3,2), (1,6)

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Taking, (-5,2), (3,2)

L1 = √(3 -(-5))^2+ (2 -2)^2

L1 =√(3 + 5)^2 + 0^2

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Taking L2 ; (3,2), (1,6)

L2 = √(1 -3)^2 + (6 - 2)^2

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Therefore, perimeter = L1 + L2 + L3

8 + 4.47 + 7.21 = 19.68

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