Moon landing lol

Answer to my physics problem for last week - sorry got caught up studying for my final biology exam 🥹 (assume small angle psi such that the y component of air resistance is negligible but still follows a parabolic path, otherwise it's not solvable analytically)

Is copper theft common in physics programs?

What should be the correct approach to solve I.E Irodov?

The golden ratio: a proposed explanation for why it keeps appearing

The Irrelevancy of Half-Lives: The Limits of Intrinsic Decay in an Open Universe

Six textbook mistakes in quantum field theory