us 3 R, where R is equal to the radius of the earth’s orbit = 1 AU = 1.5 × 1011 m. (a) What is the asteroid’s speed when it is closest to the sun (b) How does this compare with the ea

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An asteroid is in an orbit around the sun whose closest point to the sun has a radius R and whose most distant point has a radius 3 R, where R is equal to the radius of the earth’s orbit = 1 AU = 1.5 × 1011 m.

(a) What is the asteroid’s speed when it is closest to the sun

(b) How does this compare with the earth’s orbital speed

(c) What is the period of this orbit

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