(Solved):   A certain electric dipole is placed in a uniform electric field \( \vec{E} \) of magnitude ...

 

A certain electric dipole is placed in a uniform electric field \( \vec{E} \) of magnitude 16 N/C. The figure gives the potential energy \( U \) of the dipole versus the angle \( \theta \) between \( \vec{E} \) and the dipole moment \( \vec{p} \). What is the magnitude of \( \vec{p} ? \)