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Runner up of Big Bang

Classical Mechanics Level 3

What is the source of the most powerful release of energy in the universe, second in scale only to the Big Bang?

Gamma-ray bursts Hydrogen bomb Solar flare Hypernova

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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by Hardik Siloiya

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