The Tar Heels made eight from behind the arc in the first half alone and 12 of 27 overall.
Top scorer Luke Maye struggled to just eight points on 3-for-11 shooting.
Maye also had 17 rebounds and spent most of the second half as a one-man show for the Tar Heels
The Wolfpack beat the Tar Heels 95-91 in overtime in Chapel Hill just 10 days ago.
The Tar Heels blew the game open with a big run spanning halftime.
North Carolina has its first three-game losing streak since the 2013-14 season.
UNC says federal privacy law prevents further comment.
The Wolfpack used Al Freeman’s hot hand to take down the Tar Heels in overtime.
North Carolina never got closer than eight points in the final eight minutes.
Joel Berry II and Cameron Johnson finished with 16 points apiece.