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

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

answer; (b) clear with a slight blue tint;