If a mass that hangs suspended vertically from a spring is increased, then won't the period increase as a direct linear proportion? (Because the larger mass has a greater inertia and will require a larger force and longer time to change the direction of motion on each oscillation?)
Some...
I suppose.
So what I understand (of course, air resistance being negligible):
The horizontal (x) motion of an object is entirely independent on its vertical (y) motion. Initial vertical velocity, acceleration due to gravity and vertical displacement are not affected by horizontal velocity...
So in projectile motion, an object launched horizontally traveling over a certain displacement (Δx), fall time remains constant regardless of what this horizontal velocity was.
I understand that in this equation:
Δx = v(avg) × Δt
as horizontal velocity increases, displacement also...