College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A student raises and twirls one of his drumsticks around his finger with an angular speed of 4.26 revolutions per second. The drumstick is 16 inches long and it has a mass of 41 grams. Of course, his drumstick behaves like a “Long thin rod” similar to the image provided (one on the left). The drumstick is not hollow and it is perfectly spun about its length-wise midpoint during Nicholas’ twirl.                                                                                                                                                                                                                         

(a) What is the Moment of Inertia of Nicholas’ drumstick in S.I. units?  

 

(b) What was the Kinetic Energy (or what the book refers to as “K”) of the drumstick during the student's twirl maneuver?

and Total Mass M
L.
L.
Long thin rod
(axis through midpoint)
ML²
Long thin rod
(axis at one end)
I= ML²
I = ML2
12
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Transcribed Image Text:and Total Mass M L. L. Long thin rod (axis through midpoint) ML² Long thin rod (axis at one end) I= ML² I = ML2 12
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