1. A simple pendulum with mass m and length is shown in the Figure 1(b) As shown in the figure two springs with spring constant k_{1} and k_{2} are holding it in the vertically upward configuration. At this configuration, the springs are undeformed. 
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3. If OA = 0.5l and OB = 0.7l,  determine the equation of motion of the system for all angles of oscillation of the pendulum.
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