Curriculum-aligned learning support — not an official school, university, or ministry-approved course, and not a replacement for official credit.

Unit 8Lesson navigation

Grade 11 · Physics

Mass–Energy Equivalence

Why it matters

E = mc² and relativistic momentum.

Core20m readingPrerequisite: Time Dilation & Length Contraction

🔒

This feature is available in the School Plan.

Upgrade to unlock the full lesson, examples, quiz and practice.