The 11-kg homogeneous plank of length L = 9.4 m and width d = 0.5 m rotates about trestle A and strikes trestle B without rebounding. If the angular velocity of the plank, just before the %3D impact, is 2 rad/s clockwise, determine the angular speed of the plank just after impact. The distances from the tips of the plank to the trestles are alL and bL, where a = 0.11 and b = 0.33. %3D bL L(1-a-b)

Elements Of Electromagnetics
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The 11-kg homogeneous plank of length L = 9.4 m and width d = 0.5 m rotates about trestle A
and strikes trestle B without rebounding. If the angular velocity of the plank, just before the
impact, is 2 rad/s clockwise, determine the angular speed of the plank just after impact. The
distances from the tips of the plank to the trestles are al and bL, where a = 0.11 and b = 0.33.
bl
L(1 -a - b)
al
L(1 – a – b)
A
B
Transcribed Image Text:The 11-kg homogeneous plank of length L = 9.4 m and width d = 0.5 m rotates about trestle A and strikes trestle B without rebounding. If the angular velocity of the plank, just before the impact, is 2 rad/s clockwise, determine the angular speed of the plank just after impact. The distances from the tips of the plank to the trestles are al and bL, where a = 0.11 and b = 0.33. bl L(1 -a - b) al L(1 – a – b) A B
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