What is the triangle’s moment of inertia about the axis through the center? Express your answer to two significant figures and include the appropriate units.   What is the triangle’s kinetic energy if it rotates about the axis at 4.6 rev/srev/s ?

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 11.4P
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The three 220 gg masses in (Figure 1) are connected by massless, rigid rods.

What is the triangle’s moment of inertia about the axis through the center?
Express your answer to two significant figures and include the appropriate units.
 
What is the triangle’s kinetic energy if it rotates about the axis at 4.6 rev/srev/s ?
Express your answer to two significant figures and include the appropriate units.
The three 220 g masses in (Figure 1) are connected by
massless, rigid rods.
Part A
What is the triangle's moment of inertia about the axis through the center?
Express your answer to two significant figures and include the appropriate units.
View Available Hint(s)
HẢ
?
I =
Value
Units
Submit
Part B
Figure
1 of 1
What is the triangle's kinetic energy if it rotates about the axis at 4.6 rev/s ?
Express your answer to two significant figures and include the appropriate units.
• View Available Hint(s)
HẢ
40 cm
40 cm
Krot
Value
Units
РАxis
Submit
60°
60%
40 cm
Transcribed Image Text:The three 220 g masses in (Figure 1) are connected by massless, rigid rods. Part A What is the triangle's moment of inertia about the axis through the center? Express your answer to two significant figures and include the appropriate units. View Available Hint(s) HẢ ? I = Value Units Submit Part B Figure 1 of 1 What is the triangle's kinetic energy if it rotates about the axis at 4.6 rev/s ? Express your answer to two significant figures and include the appropriate units. • View Available Hint(s) HẢ 40 cm 40 cm Krot Value Units РАxis Submit 60° 60% 40 cm
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