Can a monk unarmed strikes damage creatures that require magic or silver weapons?

@JeremyECrawford @ChrisPerkinsDnD Can a monk unarmed strikes damage creatures that require magic or silver weapons (ie werewolf, rakshasa)?

— Jonathan Schwartzbau (@JafinWabba) February 14, 2017

See "Ki-Empowered Strikes" on page 79 of the Player's Handbook. #WOTCstaff https://t.co/NNONX1dgOP

— Christopher Perkins (@ChrisPerkinsDnD) February 14, 2017