Difference of Squares in Free Fall
Use the projectile height formula H = -16t² + h₀ to solve falling-object problems by setting height to zero and factoring using difference of squares.
Loading notebook...
This may take a moment on first load
Feynman technique
Learn with the Feynman Technique
Explain each idea in your own words in handwriting, then upload a photo for AI critique. Two attempts per question — there's no "right" answer, only depth of understanding.