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1. A point mass of 3 kg is located at x = 0 m, y =...

1. A point mass of 3 kg is located at x = 0 m, y = -0.6 m, a point mass of 5 kg is located at x = 0 m, y = +0.7 m, and a point mass of 6 kg is located at x = 0.9 m, y = 0 m. What is the moment of inertia of these masses about the the x axis in kg m2?

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2. A point mass of 2 kg is located at x = 0 m, y = -0 m, a point mass of 3 kg is located at x = 0 m, y = +1 m, and a point mass of 6 kg is located at x = 0.3 m, y = 0 m. What is rotational kinetic energy of these masses about the y axis if they are spinning at 13 rad/s about the y axis? Answer in Joules.

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