Question

A square plate has a side length of 1.20 m. A 24.0-N ~ m torque is applied about an axis perpendicular to the plate through its center. If it experiences an angular acceleration of 6.25 rad/s2, calculate the mass of the plate.
bobpursley
moment of inertia: mL^2/6=m/6*1.2^2 = m*1.44/6
torque=Moment *angular acceleration
24=m*1.44/6*6.25 solve for mass m.

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