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# The speed of an asteroid at aphelion is v a = 10 km/s and at perihelion is v p = 20 km/s. What is the relationship between the aphelion radius r a to...

The speed of an asteroid at aphelion is va = 10 km/s and at perihelion is vp = 20 km/s. What is the relationship between the aphelion radius ra to perihelion radius rp

Incorrect

ra = 4 rp

Correct: ra = 2 rp

Incorrect

ra = √2 rp

Incorrect

ra = rp / 2

Incorrect

ra = 3rp

The orbital radius of an asteroid at aphelion is ra = 200000 km and a perihelion is rp = 80000 km. What is the aphelion speed if the perihelion speed is 10 km/s?

km/s

﻿ Question 1. ﻿ ﻿ r ​ a ​ ​ = 2 r... View the full answer

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