The internet has a lot of resources to supplement your classes. The following is a list of potentially useful resources. 

MIT Open Courseware : https://ocw.mit.edu/courses/physics/

MinutePhysics : https://www.youtube.com/user/minutephysics

Adam Beatty : https://www.youtube.com/user/youspinmerightrounds

Brant Carlson : https://www.youtube.com/channel/UCNIEAv633WRg4ubBIhOcwMg/videos

Michel van Biezen : https://www.youtube.com/user/ilectureonline

Professor Dave Explains : https://www.youtube.com/channel/UC0cd_-e49hZpWLH3UIwoWRA

Eugene Khutoryansky : https://www.youtube.com/user/EugeneKhutoryansky

Pradeep Kshetrapal : https://www.youtube.com/user/PradeepKshetrapal/videos

Let there be math : https://www.youtube.com/channel/UCHv2sbHr3ymX3UkNLeeAQ5g/videos

http://fearofphysics.com/Videos/

 

Disclaimer: The University of Colorado Physics Department did not create these resources. Our sharing the links is not an endorsement of the quality of these resources.