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matrenka [14]
3 years ago
6

the diagram below represents the orbits of earth, comet temple-tuttle, and planet x, another planet in out solar system. arrows

on each orbit represent the direction of movement. which objects orbit would have and eccentricity close to 1?

Physics
1 answer:
mart [117]3 years ago
5 0

Answer:

the most elliptical orbit is that of COMETA

Explanation:

The eccentricity of a curve in defined as the ratio between lacia to the focus, called c and the value of the axis greater than

         ε = c / a

if we use Pythagoras' theorem

         c = \sqrt{a^2 - b^2}

   substituting

           ε = \sqrt{1 - (b/a)^2 }

if   ε = 0 we have a circumference

In the diagram presented the orbit of the comet is an ellipse a> b

          ε=\sqrt{1- x}  \\ x = (\frac{b}{a} )^2

if we expand in series

             ε = 1 - x/2  

             ε=  1 - \frac{1}{2}  \ (\frac{ b}{a} )^2

if we neglect the non-linear terms

            ε = 1

Earth's orbit is a small ellipse

             b / a = 149 10⁶ / 151 10⁶

             b / a = 0.98675

             ε = \sqrt{1- 0.98675^2}

               ε = 0.16

a very small ellipse

Planet X, despite not having data, it seems that the sun is in the scepter of the orbit, so b = a

therefore  both the semi-axes of the curve

        e = a / b

Consequently, the most elliptical orbit is that of COMETA.

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