0 10 20 30 x(cm) Four masses are arranged as shown. M₁=3 kg at (0,0)cm. M₂-5 kg at (10,0)cm. M4-5 kg at (30,0)cm. M3-3 kg at (20,0)cm. The masses are connected by a light rod of negligible mass. a.) Calculate the moment of inertia if the masses rotate around the y-axis (M₁ is the center of rotation). b.) The object is rotating about the y-axis with w = 6 rad/s. Find the tangential velocities of each separate mass. Show that the sum of the kinetic energies of the individual masses equals the rotational energy of the entire system:Σ=₁m₁ v² = 1/1w². c.) If 0.5 J of work is done to this system, what is the new angular velocity, w?

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Chapter1: Units, Trigonometry. And Vectors
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1.
0
10
20
ESSE
30
x(cm)
Four masses are arranged as shown.
M₁-3 kg at (0,0)cm.
M3-3 kg at (20,0)cm.
M₂=5 kg at (10,0)cm.
M4-5 kg at (30,0)cm.
The masses are connected by a light rod of negligible mass.
a.) Calculate the moment of inertia if the masses rotate around the y-axis (M₁ is the center of
rotation).
b.) The object is rotating about the y-axis with w = 6 rad/s. Find the tangential velocities of each
separate mass. Show that the sum of the kinetic energies of the individual masses equals the
rotational energy of the entire system:Σ-1m₁ v² = 1/1/1w².
c.) If 0.5 J of work is done to this system, what is the new angular velocity, w?
d.) Calculate the moment of inertia of the system if it now rotates about an axis that passes
through mass #3, parallel to the y-axis.
e.) What is the rotational kinetic energy of the system if it rotates about M3 with w = 6 rad/s?
Transcribed Image Text:1. 0 10 20 ESSE 30 x(cm) Four masses are arranged as shown. M₁-3 kg at (0,0)cm. M3-3 kg at (20,0)cm. M₂=5 kg at (10,0)cm. M4-5 kg at (30,0)cm. The masses are connected by a light rod of negligible mass. a.) Calculate the moment of inertia if the masses rotate around the y-axis (M₁ is the center of rotation). b.) The object is rotating about the y-axis with w = 6 rad/s. Find the tangential velocities of each separate mass. Show that the sum of the kinetic energies of the individual masses equals the rotational energy of the entire system:Σ-1m₁ v² = 1/1/1w². c.) If 0.5 J of work is done to this system, what is the new angular velocity, w? d.) Calculate the moment of inertia of the system if it now rotates about an axis that passes through mass #3, parallel to the y-axis. e.) What is the rotational kinetic energy of the system if it rotates about M3 with w = 6 rad/s?
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