Question

two satellites a and b revolve around a planet c. the time taken by satellite b to go around the planet is twice the time taken by satellite a . which of the two satellites have a greater magnitude of velocity?

Answer 1

Answer:

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Explanation:

Velocity v of a satellite varies inversely as the square root of the orbit of radius r

v∝

r

1

∴

V

B

V

A

=

r

A

r

B

=

4R

R

⇒

V

B

3v

=

2

1

⇒V

B

=6v