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92 experiments / 15 branches

THE CONSERVATION LAWS, IN FOUR ACTS

What survives a crash, a catch, a burn, and a year in orbit — the bookkeeping that never fails.

1

COLLIDE

The CM worldline runs straight through the wreck — that line IS momentum.

5 STAGES · 11 TERMS

2

BALLISTIC

Δp = 0 while 98.7% of the KE dies — measure a bullet with a protractor.

5 STAGES · 10 TERMS

3

ROCKET

Δv = vₑ·ln(m₀/m) — every m/s borrowed from the exhaust, and the ln collects.

5 STAGES · 10 TERMS

4

KEPLER

T² = a³, equal areas proven as an identity — Newton’s arithmetic, checked.

5 STAGES · 9 TERMS

THEORY IN PLAY — Interactive Physics ·

Pause at stages ←→ step · PgUp/Dn stage · Space play

Speed Loop scene

Given

Computed