Skip to content

Learn Practice Plan Tutors Ask AI

⌘K

Sign in Join freeGet started

Courses Lessons

AJ Sir Physics

@ajsirphysics

subscribers: 25K
lessons on Merit: 0
topics: 0

View on YouTube

High school classes, every AP course, and the SAT, with ranked lessons, Merit AI, and a plan for every test. Free for students.

Learn

Courses
Lessons
Merit AI

Practice

Exam Sprint
Quick session

Plan

Learning plan
My schedule
Progress

Tutors

Find a tutor
Become a tutor
Partner with Merit
For teachers

Merit

About
For parents
How ranking works
Privacy
Terms

Videos play on YouTube. AP® and SAT® are trademarks of the College Board, which is not affiliated with Merit.

© 2026 Merit

Learn Practice Plan Ask AI