The path of a very small satellite S in an orbit around a massive planet P is sh

Question

The path of a very small satellite S in an orbit around a massive planet P is shown in the figure. The distance from 3 to 4 is the same as from 4 to 5, 9 to 10, and 10 to 11. S has a minimum speed at '4' True False Greater than Less than Equal to The PE of S is constant. True False Greater than Less than Equal to The angular momentum of S varies with position True False Greater than Less than Equal to The total PE + KE at '2' is at '8'. True False Greater than Less than Equal to The magnitude of the force on S at 'l' is at '5' True False Greater than Less than Equal to For the orbit of S shown, P could be located at X. True False Greater than Less than Equal to The speed at S at position '7' is at '1. True False Greater than Less than Equal to

Explanation / Answer

29

From the law of conservation of the angular momoentum, for the constant angular momentum,

v is inversely proportional to r. (L=mvr)

so, the statement is true. For the greatest r value v should be minimum.

30

The potential energy depends on the distance between the planet and sattelite. so,the PE is not constant.

Answer---False

31

The angular momoentum is conserved.

Answer---False

32

The energy is conserved.

Answer---Equal to

33

Force is inversely proportional to the distance.

Answer: Greater than

34

The planet should be locate at the focus points.The X is one of the foci.

Answer---true

35

The value of v is same as r is same for both locations.

answer---- Equal to.

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