Editor
What are the dimensions of $\rm{\frac{P^{2}}{m}}$, where $\rm{P}$ is the momentum and $\rm{m}$ is the mass?
Difficulty: Easy
A: 
$M^{2}L^{2}T^{2}$
B: 
$M^{2}L^{2}T^{-2}$
C: 
$ML^{2}T^{-2}$
D: 
$MLT^{-2}$
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