DTATING . ·- A 8-kg mass starts out rotating on the enc a 0.5 m massiess arm at v=1.5 m/s in a horizontal plane. the arm rotates for 2.5 seconds, two things happen: 1. a torsional moment of M = 4*t Nm (where t=time in seconds) is applied and 2. the arm shortens to 0.3 m What is the mass's final angular velocity expressed as a vector?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A 8-kg mass starts out rotating on the end
ROTATING --
of a 0.5 m massiess arm at vi=1.5 m/s in a horizontal plane.
0.5m
As the arm rotates for 2.5 seconds, two things happen:
1. a torsional moment of M = 4*t Nm (where t = time in
seconds) is applied and
2. the arm shortens to 0.3 m
(8 kg
What is the mass's final angular velocity expressed as a
vector?
(top view of
horizontal motion)
M=(4t) Nm
Transcribed Image Text:A 8-kg mass starts out rotating on the end ROTATING -- of a 0.5 m massiess arm at vi=1.5 m/s in a horizontal plane. 0.5m As the arm rotates for 2.5 seconds, two things happen: 1. a torsional moment of M = 4*t Nm (where t = time in seconds) is applied and 2. the arm shortens to 0.3 m (8 kg What is the mass's final angular velocity expressed as a vector? (top view of horizontal motion) M=(4t) Nm
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