Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 6 in./sec, which is decreasing at the rate of 3 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 12 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B.

Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 6 in./sec, which is decreasing at the rate of 3 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 12 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 6
in./sec, which is decreasing at the rate of 3 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through
O at a constant rate of 12 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B.
2.7'
3.6'
370
AAA AAA NA

Determine the indicated terms used in the velocity and acceleration formulas.
2.7'
3.6'
370
Answers:
r =
i
3
in.
=
i
=
i
1.31
in./sec è =
i
3.28
rad/s
=
0.28
in./sec? Ö =
i
1.29
rad/s?

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