1.

When earth is at one end of the major axis of the elliptical orbit having major and minor axes 2A and 2B , respectively, its velocity (with magnitude V_0 ) makes an angle theta with the major axis. What is the value of theta and what may be the areal velocity of the earth ?

Answer»

`0^@ and 0.5 V_0 [A+sqrt(A^2-B^2)]`
`0^@ and 0.5 V_0 [A-sqrt(A^2-B^2)]`
`90^@ and 0.5 V_0 [A+sqrt(A^2-B^2)]`
`90^@ and 0.5 V_0 [A-sqrt(A^2+B^2)]`

ANSWER :C


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