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A satellite moves in an elliptical orbit...

A satellite moves in an elliptical orbit about the earth. The minimum and maximum distance of the satellite from the centre of earth are `7000 km` and `8750 km` respectively. For this situation, mark the correct statements (s). [Take `M_(e)=6xx10^(24) kg`]

A

The maximum speed of the satellite during its motion is `5.64 km//s`

B

The minimum speed of the satellite during its motion is `4.51 km//s`

C

The length of major axis of orbit is `15750 km`

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
D
By the principle of conservation of linear momentum, the horizontal velocity of the other part will be greater than `ucosalpha`. Hence it will strike the point beyond the target. The kinetic energy of this part will be nine times that of the part `A`.
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