The uniform rod of mass M and length L rotates in the plane of the figure about an axis through one end. As the rod swings through its lowest position, it collides with a putty wad of mass m, that sticks to the end of the rod. If the rod's angular speed just before collision is w, a) what is the angular speed of the rod-putty system immediately after collision? Rod b) What is the change in the kinetic energy of the rod-potty system (immediately before to immediately after the collision)? Does the kinetic energy increases, decreases, or remains the same? Provide your answers symbolically.

The uniform rod of mass M and length L rotates in the plane of the figure about an axis through one end. As the rod swings through its lowest position, it collides with a putty wad of mass m, that sticks to the end of the rod. If the rod's angular speed just before collision is w, a) what is the angular speed of the rod-putty system immediately after collision? Rod b) What is the change in the kinetic energy of the rod-potty system (immediately before to immediately after the collision)? Does the kinetic energy increases, decreases, or remains the same? Provide your answers symbolically.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The uniform rod of mass M and length L rotates in the
plane of the figure about an axis through one end. As the rod
swings through its lowest position, it collides with a putty wad of
mass m, that sticks to the end of the rod. If the rod's angular speed
just before collision is w,
a) what is the angular speed of the rod-putty system immediately
after collision?
Rotation axis
Rod
b) What is the change in the kinetic energy of the rod-potty system (immediately before
to immediately after the collision)? Does the kinetic energy increases, decreases, or
remains the same?
Provide your answers symbolically.

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Solve it Analytical way By taking sigma FX , FY and moments