A metal sphere rests upon the exact center of a level, square table top. The table is sitting on the floor. Andrea knows the mass of the spherewhat other measurement does she need to calculate the potential energy of the sphere?

Select one :

Vertical distance from the sphere to the floor

Thickness of the table top

Horizontal distance from the center of the sphere to the edge of the table

Density of the sphere

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Sorry i dont understand the question can you rephase it?

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  c.sending the first human into space4. which of these space missions involved the deployment of lunar roversa. voyager 15. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar  systemb.safir7.which technology limit the future of space explorationb. scientist must first develop certain technologies before missions can be completed.