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Standard IX

Physics

Orbital Velocity

A planet is r...

Question

A planet is revolving around the Sun in an elliptical orbit. Its closest distance from the Sun is $r$ and farthest distance is $R$ . If the orbital velocity of the planet closest to the Sun is $v$ , then what is the velocity at the farthest point?

\frac{v r}{R}

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\frac{v R}{r}

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v \sqrt{\frac{r}{R}}

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v \sqrt{\frac{R}{r}}

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Solution

The correct option is A $\frac{v r}{R}$

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A planet is revolving around the Sun in an elliptical orbit. Its closest distance from the Sun is r and farthest distance is R. If the orbital velocity of the planet closest to the Sun is v, then what is the velocity at the farthest point?

The correct option is A vrR

A planet is revolving around the Sun in an elliptical orbit. Its closest distance from the Sun is $r$ and farthest distance is $R$ . If the orbital velocity of the planet closest to the Sun is $v$ , then what is the velocity at the farthest point?

The correct option is A $\frac{v r}{R}$