A cylinder with rotational inertia I₁ = 2.6 kg m² rotates clockwise about a vertical axis through its center with angular speed ₁ = 5.6 rad/s. A second cylinder with rotational inertia I₂ = 1.3 kg m² rotates counterclockwise about the same axis with angular speed @₂ = 6.4 rad/s. If the cylinders couple so they have the same rotational axis, what is the angular speed of the combination (in rad/s)?

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A cylinder with rotational inertia I₁ = 2.6 kg. m² rotates clockwise about a vertical axis through its center with angular
speed @₁ = 5.6 rad/s. A second cylinder with rotational inertia 12 = 1.3 kg m² rotates counterclockwise about the same
axis with angular speed @₂ = 6.4 rad/s. If the cylinders couple so they have the same rotational axis, what is the angular
speed of the combination (in rad/s)?
rad/s
What percentage of the original kinetic energy is lost to friction?
%
+
Transcribed Image Text:A cylinder with rotational inertia I₁ = 2.6 kg. m² rotates clockwise about a vertical axis through its center with angular speed @₁ = 5.6 rad/s. A second cylinder with rotational inertia 12 = 1.3 kg m² rotates counterclockwise about the same axis with angular speed @₂ = 6.4 rad/s. If the cylinders couple so they have the same rotational axis, what is the angular speed of the combination (in rad/s)? rad/s What percentage of the original kinetic energy is lost to friction? % +
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