5. If disk MB = 2.5 kg m² is at rest and disk MÃ = 1.5 kg m² is in motionand rotates with an angular velocity of 15 rad/s. Later disk MB falls ondisk MA. If angular momentum is conserved, determine the finalvelocity of both disks when they are rotating together.BeforeMBMA←W ₁₁ = 0W₂ = 15 rad/sVAfterW₁ = ?

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IVIB and rotates with an angular velocity of 15 rad/s. Later disk I disk MA. If angular momentum is conserved, determine velocity of both disks when they are rotating together. M. Before W ₁₁ = 0 After

IVIB and rotates with an angular velocity of 15 rad/s. Later disk I disk MA. If angular momentum is conserved, determine velocity of both disks when they are rotating together. M. Before W ₁₁ = 0 After

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter13: Rotation Ii: A Conservation Approach

Section: Chapter Questions

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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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

5. If disk MB = 2.5 kg m² is at rest and disk MÃ = 1.5 kg m² is in motion
and rotates with an angular velocity of 15 rad/s. Later disk MB falls on
disk MA. If angular momentum is conserved, determine the final
velocity of both disks when they are rotating together.
Before
MB
MA
←
W ₁₁ = 0
W₂ = 15 rad/s
V
After
W₁ = ?

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