B Z 001 2.5 ft PROBLEM 15.236 The arm AB of length 16 ft is used to provide an elevated platform for construction workers. In the position shown, arm AB is being raised at the constant rate de/dt = 0.25 rad/s; simultaneously, the unit is being rotated about the Y axis at the constant rate ₁ =0.15 rad/s. Knowing that 20°, determine the velocity and acceleration of Point B. Answers: 1.371 +3.76)+1.88k ft/s a=1.22 -0.342)-0.410k ft/s² X

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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B
Z
001
2.5 ft
PROBLEM 15.236
The arm AB of length 16 ft is used to provide an elevated
platform for construction workers. In the position shown, arm
AB is being raised at the constant rate de/dt = 0.25 rad/s;
simultaneously, the unit is being rotated about the Y axis at the
constant rate ₁ =0.15 rad/s. Knowing that 20°, determine
the velocity and acceleration of Point B.
Answers: 1.371 +3.76)+1.88k ft/s
a=1.22 -0.342)-0.410k ft/s²
X
Transcribed Image Text:B Z 001 2.5 ft PROBLEM 15.236 The arm AB of length 16 ft is used to provide an elevated platform for construction workers. In the position shown, arm AB is being raised at the constant rate de/dt = 0.25 rad/s; simultaneously, the unit is being rotated about the Y axis at the constant rate ₁ =0.15 rad/s. Knowing that 20°, determine the velocity and acceleration of Point B. Answers: 1.371 +3.76)+1.88k ft/s a=1.22 -0.342)-0.410k ft/s² X
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