I have been reviewing the basic two-dimensional motion equations and I've discovered a conundrum that is causing me much confusion. For example, here is a basic formula with variables:
v^2 = vi^2 + 2ax
v = ?
vi = 27
a = -7.5
x = 49
Therefore:
v^2 = 27^2 + 2(-7.5)(49)
v^2...