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If 'A' is areal velocity of a planet of ...

If `'A'` is areal velocity of a planet of mass `M`, its angular momentum is

A

M/A

B

2MA

C

`A^(2)M`

D

`AM^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`(dA)/(dt)=L/(2M)`
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Knowledge Check

  • The areal velocity of a planet of mass m moving in elliptical orbit around the sun with an angular momentum of L units is equal to

    A
    `(dA)/dt = L/m`
    B
    `(dA)/dt = (2m)/L`
    C
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    D
    `(dA)/dt = m/L`

  • Assertion: A satellite is orbiting around a planet then its angular momentum is conserved Reason: Linear momentum conservation leads to angular momentum conservation.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

  • If a particle of mass 1 gm is moving along a circular path of radius 1 m with a velocity of 1 m/s, then the its angular momentum is

    A
    `1 kg m^(2)//s`
    B
    `10^(-2)kg m^(2)//s`
    C
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    D
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