The four particles shown below are connected by rigid rods of negligible mass where y₁ = 5.40 m. The origin is at the center of the rectangle. The system rotates in the xy plane about the z axis with an angular speed of 5.90 rad/s. 3.00 kg y 2.00 kg 2.00 kg( x 이 Ут -4.00 m→ 4.00 kg (a) Calculate the moment of inertia of the system about the z axis. kg·m² (b) Calculate the rotational kinetic energy of the system. J

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Chapter13: Rotation Ii: A Conservation Approach
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Problem 45PQ: A thin rod of length 2.65 m and mass 13.7 kg is rotated at anangular speed of 3.89 rad/s around an...
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The four particles shown below are connected by rigid rods of negligible mass where y₁ = 5.40 m. The origin is at the
center of the rectangle. The system rotates in the xy plane about the z axis with an angular speed of 5.90 rad/s.
3.00 kg
y
2.00 kg
2.00 kg(
x
이
Ут
-4.00 m→
4.00 kg
(a) Calculate the moment of inertia of the system about the z axis.
kg·m²
(b) Calculate the rotational kinetic energy of the system.
J
Transcribed Image Text:The four particles shown below are connected by rigid rods of negligible mass where y₁ = 5.40 m. The origin is at the center of the rectangle. The system rotates in the xy plane about the z axis with an angular speed of 5.90 rad/s. 3.00 kg y 2.00 kg 2.00 kg( x 이 Ут -4.00 m→ 4.00 kg (a) Calculate the moment of inertia of the system about the z axis. kg·m² (b) Calculate the rotational kinetic energy of the system. J
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