Primary resources
The openstax college physics textbook introduces projectile motion,
Here is an introduction to projectile motions with basic equations,
This topic discusses the launch angle of an object in projectile motion, and how to use the launch angle as an initial condition,
How to breakdown and analyze an object in projectile motion using components,
The videos below discuss 2D projectile motion problem solving techniques,
https://www.youtube.com/watch?v=Zx1jfplSR88
https://www.youtube.com/watch?v=_zOEPhQWH9I
Secondary Resources
Our good friends at Flippin Physics discuss projectile motion(with an amazing intro sequence)
https://www.youtube.com/watch?v=GiiWsXtt5GE
Projectile and 2D broken down along horizontal and vertical
2D constant V
Proj motion basics with equations and videoa
Solving projectile motions problems with video
Projectile motion dictates range, height, and time of flight discussion
Proj Motion key points
https://www.youtube.com/watch?v=HB4ws7RoA3M