Question 1 25 pts Four equal point masses of 2.3 kg are placed in the x-y plane.

Question

Question 1 25 pts Four equal point masses of 2.3 kg are placed in the x-y plane. One mass is placed at x = +2 m, y = 0, another mass is placed at x = 0 m, y = +2 m, one mass is placed somewhere on the -x axis and the other is placed somewhere on the -y axis. The moment of inertia of all masses about the x axis is 43.0 kg m2 and the moment of inertia of all masses about the y axis is 57.9 kg m2. If all the masses are spinning about the origin (the z axis) at 3.8 rad/s, what is their rotational kinetic energy in Joules?

Explanation / Answer

Yes ur work is right

First u have to find moment with respect to z axis by taking the distances from x axis and y axis.

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