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HELP!!! Consider the equations

I. v = v0 + ax
II. y = (2m) cos(kx), where k = 2m^-1
III. v^2 = ax

Which ones are dimensionally correct?

Answer :

taskmasters
In my opinion, the correct answer is option III. The equation, v^2 = ax, represents the equation that is dimensionally correct. This is because when we do dimensional analysis, both of the sides will have the same units.

v^2 = ax
m² / s² = (m/s²)(m)
m² / s²=m² / s²

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