Weightless rod length of 60 cm varies around a horizontal axis passing through its upper end. On rod secured two weights of equal mass. Determine the period of oscillation of the rod, if one is mounted at the lower end of the rod, and the other - 10 cm above. How to change the period of oscillation of the rod, if one load stop at the end of the rod, and the other positioned at 10 cm below the axis of rotation. Shipping Weight 300 g

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