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Which of the following statements are co...

Which of the following statements are correct about a satellite moving around a planet in an elliptical orbit ?

A

Its time period is proportional to `r^(3)`

B

Its areal velocuty is constant

C

Its angular momentum about every in space is constant

D

Its mechanical energy is conserved

Text Solution

Verified by Experts

The correct Answer is:
B, D
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Knowledge Check

  • Which of the following statement is correct but satellites ?

    A
    A satellite cannot move in a stable orbit in a plane passing through the earth's centre.
    B
    Geostationary satellites are launched in the equatorial plane.
    C
    We can use just one geostationary satellite for global communication around the globe.
    D
    The speed of satellite increase with an increase in the radius of its orbit.

  • Which of the following statement is correct regarding a geostationary satellite?

    A
    A geostationary satellite goes around the earth in east-west direction.
    B
    A geostationary satellite goes around the earth in west-east direction.
    C
    The time -period of a geostationary satellite is 48 hours.
    D
    The angle between the equatorial plane and the orbital plane of geostationary satellite is `90^(@)`

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