b.) Your friend Bob proposes that you can do this calculation more easily. He condenses the entire ice cream cone into a point mass located at the its center of mass, then uses the point mass formula (I=mr²). What would be the distance "r" that he would use, and the rotational inertia that would result from his calculation? r = X kg-m2 Is Bob's method correct? I = no; you need to use the object's exact shape in your "I" calculations

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter11: Dynamics Of Rigid Bodies
Section: Chapter Questions
Problem 11.6P
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The ice cream cone shown below can be approximated as follows:
· scoop on top = uniform solid sphere (M1 = 0.027 kg and R1 = 0.03 m)
• waffle cone base= cylinder (M2 = 0.038 kg and R2 = 0.01 m), which is uniform and solid also (it's filled with ice cream!)
%3D
M,
R,
R,
M,
If this entire ice cream cone were to be rotated about the axis shown,
Transcribed Image Text:The ice cream cone shown below can be approximated as follows: · scoop on top = uniform solid sphere (M1 = 0.027 kg and R1 = 0.03 m) • waffle cone base= cylinder (M2 = 0.038 kg and R2 = 0.01 m), which is uniform and solid also (it's filled with ice cream!) %3D M, R, R, M, If this entire ice cream cone were to be rotated about the axis shown,
b.) Your friend Bob proposes that you can do this calculation more easily. He condenses the entire ice cream cone into a point mass located at the its
center of mass, then uses the point mass formula (I=mr2).
What would be the distance "r" that he would use, and the rotational inertia that would result from his calculation?
r =
I =
X kg-m2
Is Bob's method correct?
no; you need to use the object's exact shape in your "I" calculations
Transcribed Image Text:b.) Your friend Bob proposes that you can do this calculation more easily. He condenses the entire ice cream cone into a point mass located at the its center of mass, then uses the point mass formula (I=mr2). What would be the distance "r" that he would use, and the rotational inertia that would result from his calculation? r = I = X kg-m2 Is Bob's method correct? no; you need to use the object's exact shape in your "I" calculations
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