The table below lists four uniform objects. String is wrapped around the center of object 2 which is free to rotate around an axle through its axis of symmetry, as in the figure. A constant tension of magnitude T = 2.4 N is applied to the taut string, causing the object to rotate as the string unwinds without slipping. Calculate the object's mass if its radius is R = 0.17 m and the strings unwinds 3.79 m in 1.57 s (starting from rest). [Tip: The answer is independent of the object's radius. Start by solving a kinematics problem to find the string's acceleration.] Object Number Object 1 2 3 4 R solid sphere hollow sphere thin-walled hollow cylinder solid cylinder Top View M = M -axle kg string- W

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Chapter1: Units, Trigonometry. And Vectors
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The table below lists four uniform objects. String is wrapped around the center of object 2 which is
free to rotate around an axle through its axis of symmetry, as in the figure. A constant tension of
magnitude T = 2.4 N is applied to the taut string, causing the object to rotate as the string unwinds
without slipping. Calculate the object's mass if its radius is R = 0.17 m and the strings unwinds 3.79
m in 1.57 s (starting from rest).
[Tip: The answer is independent of the object's radius. Start by solving a kinematics problem to find
the string's acceleration.]
Object Number Object
1
2
3
4
R
M
solid sphere
hollow sphere
thin-walled hollow
cylinder
solid cylinder
Top View
M
-axle
T
kg
string
A
Transcribed Image Text:bom 4/7 ing ✓ 1 The table below lists four uniform objects. String is wrapped around the center of object 2 which is free to rotate around an axle through its axis of symmetry, as in the figure. A constant tension of magnitude T = 2.4 N is applied to the taut string, causing the object to rotate as the string unwinds without slipping. Calculate the object's mass if its radius is R = 0.17 m and the strings unwinds 3.79 m in 1.57 s (starting from rest). [Tip: The answer is independent of the object's radius. Start by solving a kinematics problem to find the string's acceleration.] Object Number Object 1 2 3 4 R M solid sphere hollow sphere thin-walled hollow cylinder solid cylinder Top View M -axle T kg string A
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