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**Mechanics:Dynamics (Newton's 2nd Law?)**

**1. The problem statement, all variables and given/known data**

A sphere S with a mass of 5 kg is attached by a rigid rod to 1 kg block B which is free to slide with no friction in a horizontal slot. The system is released from rest. At the instant when it is released, find the tension in the rod and the accelerations of both blocks.

**2. Relevant equations**

Sum of the forces in x = ma

Sum of the forces in y = ma

**3. The attempt at a solution**

I am not exactly sure how to tackle this problem. Would I need to solve this using newton's 2nd law? Or would this question require conservation of energy?