I have been accepted early decision to Cornell’s College of Engineering. I was wondering what the minimum GPA is that I can get this and next semester to not be on academic probation and maintain admission. Thanks!
Planning for senioritis is not a good idea.
You shouldn’t be looking to squeak by. Sure, you can relax a little bit, but you need to maintain relatively high marks still.
Exactly at or above your current cumulative 
You would need to notify Cornell if you should drop any class.