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Four point masses, each of mass 1.1 kg are placed at the corners of a square...

Four point masses, each of mass 1.1 kg are placed at the corners of a square of side 1.6 m.

A. Find the moment of inertia of this system about an axis that is perpendicular to the plane of the square and passes through one of the masses.

B. If the system is set rotating about the above axis with kinetic energy of 195.0 J, what is the number of revolutions the system makes per minute

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Answer #1

A) The four masses are aligned as shown in figure below: From triangle BDC, length L is determined as, L-VBC DC1.6 m)(1.6 m)-

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