Gravitation Question 184

Question: The orbital speed of Jupiter is [MNR 1986; UPSEAT 2000]

Options:

A) Greater than the orbital speed of earth

B) Less than the orbital speed of earth

C) Equal to the orbital speed of earth

D) Zero

Show Answer

Answer:

Correct Answer: B

Solution:

Orbital radius of Jupiter > Orbital radius of Earth $ [\frac{v_{J}}{v_{e}}=\frac{r_{e}}{r_{J}}] $ .As $ [r_{J}>r_{e}] $ therefore $ [v_{J}<v_{e}] $



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