Shows all the world that you are not thinking about The electrostatic potential

Question

Shows all the world that you are not thinking about The electrostatic potential energy between the proton and electron in a normal hydrogen atom (with the conventional choice of reference separation) is negative zero positive any of the above Water molecules weakly attract one another (this is why water molecules coalesce into a liquid and then a solid at decreasing temperatures). What do you think is the interaction responsible for this attraction? Incompletely canceled strong interactions between the molecule's quarks. Incompletely canceled electromagnetic interactions between the molecule's charged parts. The weak interaction. The gravitational interaction. The general gravitational potential energy formula V(r) = -Gm1m2/r is always negative for r > 0, but the empirical formula V(r) = mgz is always positive for z > 0. Why are the signs in these expressions different? The empirical formula is wrong. The equations refer to different kinds of interactions. The first equation does not apply to objects that are not point particles. The equations assume different reference separations. Other (specify). The following graph shows the potential energy

Explanation / Answer

T1)

A

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T2)

B

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T3)

D

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