Mechanical energy of a system is equal to _____

1.	Mechanical energy of a system is equal to _____
A.	\[mgh+\frac{1}{2}m{{v}^{2}}\]
B.	\[mg+m{{v}^{2}}\]
C.	\[mgh+\frac{1}{2}m\]
D.	\[mgh+\frac{1}{2}{{v}^{2}}\]
E.	None of these
Answer» B. \[mg+m{{v}^{2}}\]

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Mechanical energy of a system is equal to _____

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