A disk of mass m₁ = 60.0 g and radius r₁ = 4.50 cm slides on a frictionless sheet of ice with velocity v, where v = 16.00 m/s, as shown in a top-down view in figure (a) below. The edge of this disk just grazes the edge of a second disk in a glancing blow. The second disk has a mass m₂ = 140 g, a radius r₂ = 6.00 cm, and is initially at rest. As the disks make contact, they stick together due to highly adhesive glue on the edge of each, and then rotate after the collision as shown in figure (b). 1 mo (a) What is the magnitude of the angular momentum (in kg - m²/s) of the two-disk system relative to its center of mass? 0.0432 xkg m2/s (b) What is the angular speed (in rad/s) about the center of mass? rad/s

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
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A disk of mass m₁ = 60.0 g and radius r₁ = 4.50 cm slides on a frictionless sheet of ice with velocity v, where v = 16.00 m/s, as shown in a top-down view in figure
(a) below. The edge of this disk just grazes the edge of a second disk in a glancing blow. The second disk has a mass m₂ = 140 g, a radius r₂ = 6.00 cm, and is initially
at rest. As the disks make contact, they stick together due to highly adhesive glue on the edge of each, and then rotate after the collision as shown in figure (b).
1
mo
(a) What is the magnitude of the angular momentum (in kg - m²/s) of the two-disk system relative to its center of mass?
0.0432
xkg m2/s
(b) What is the angular speed (in rad/s) about the center of mass?
rad/s
Transcribed Image Text:A disk of mass m₁ = 60.0 g and radius r₁ = 4.50 cm slides on a frictionless sheet of ice with velocity v, where v = 16.00 m/s, as shown in a top-down view in figure (a) below. The edge of this disk just grazes the edge of a second disk in a glancing blow. The second disk has a mass m₂ = 140 g, a radius r₂ = 6.00 cm, and is initially at rest. As the disks make contact, they stick together due to highly adhesive glue on the edge of each, and then rotate after the collision as shown in figure (b). 1 mo (a) What is the magnitude of the angular momentum (in kg - m²/s) of the two-disk system relative to its center of mass? 0.0432 xkg m2/s (b) What is the angular speed (in rad/s) about the center of mass? rad/s
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