Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 5 in./sec, which is decreasing at the rate of 2 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 13 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B. Determine the indicated terms used in the velocity and acceleration formulas. Answers: r = __ in. θ = ___ ° r˙ =  __in./sec θ˙ = ____ rad/s r¨ = ___ in./sec2 θ¨ =  ____rad/s2

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 5 in./sec, which is decreasing at the rate of 2 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 13 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B.

Determine the indicated terms used in the velocity and acceleration formulas.


Answers:

r = __ in. θ = ___ °
r˙ =  __in./sec θ˙ = ____ rad/s
r¨ = ___ in./sec2 θ¨ =  ____rad/s2
Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 5
in./sec, which is decreasing at the rate of 2 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis
through O at a constant rate of 13 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B.
2.3'
3.2'
A
35°
Transcribed Image Text:Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 5 in./sec, which is decreasing at the rate of 2 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 13 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B. 2.3' 3.2' A 35°
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