Physics, 27.03.2020 02:54, baptistatm51976
A 30 kg mass and a 20 kg mass are joined by a light rigid rod and this system is free to rotate in the plane of the page about axis through A and perpendicular to the page. The 30 kg mass is 0.2 m from A and the 20-kg mass is 0.4 m from A. Treating the masses as point masses and assuming the system rotates at 5 rad/s about A, what is the total kinetic energy?
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A 30 kg mass and a 20 kg mass are joined by a light rigid rod and this system is free to rotate in t...
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