A comet has a period of 200 years and perihelion distance


Solve the all parts of following question given below:

Question: A comet has a period of 200 years and perihelion distance of 1 AU.

Part I: What is the semi-major axis of its orbit?

Part II: What is the comet aphelion distance?

Part III: What is its speed at 1 AU? How does this speed compare to the escape speed of an object 1 AU from the Sun.

Part IV: What is its speed at aphelion? How does this speed compare to the escape speed of an object the same distance from the Sun.

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Physics: A comet has a period of 200 years and perihelion distance
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