In the Previous Two Problems, the Correct Differential Equation for the Position

Multiple Choice

In the previous two problems, the correct differential equation for the position, $x ( t )$ , of the mass at a function of time, $t$ ,is

A) $\frac { d ^ { 2 } x } { d t ^ { 2 } } + x / 4 = 0$
B) $\frac { d ^ { 2 } x } { d t ^ { 2 } } + 2 x = 0$
C) $\frac { d ^ { 2 } x } { d t ^ { 2 } } + 4 x = 0$
D) $\frac { d ^ { 2 } x } { d t ^ { 2 } } + 8 x = 0$
E) $\frac { d ^ { 2 } x } { d t ^ { 2 } } + 32 x = 0$