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/secevery second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 12 deg/sec. Determine the velocity vand acceleration a of the clevis attachment at B. 2.7 3.6 PA 37°

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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PLS ANSWER PART 3 LAST ATTEMPT THANKS I WILL GIVE THUMBS UP

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./secevery second. Simultaneously, the cylinder is rotating about a horizontal axis
through O at a constant rate of 12 deg/sec. Determine the velocity vand acceleration a of the clevis attachment at B.
B
2.7
3.6'
A
37°
Part 1
Correct
Determine the indicated terms used in the velocity and acceleration formulas.
B
2.7
3.6'
'A
37°
Answers:
r-
75.6
in.
37
6
in./sec
0.21
rad/s
in/sec? 9 -
rad/s?
Transcribed Image Text: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./secevery second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 12 deg/sec. Determine the velocity vand acceleration a of the clevis attachment at B. B 2.7 3.6' A 37° Part 1 Correct Determine the indicated terms used in the velocity and acceleration formulas. B 2.7 3.6' 'A 37° Answers: r- 75.6 in. 37 6 in./sec 0.21 rad/s in/sec? 9 - rad/s?
Part 2
Your Answer
Correct Answer (Used)
- Your answer is partially correct.
Determine ther-and e-components of velocity and acceleration.
B
2,7
3.6"
37°
-0
Answers:
V, -
6
in./sec
vg -
15.88
in./sec
а, -
3.28
in/sec ag -
2.52
in./sec?
eTextbook and Media
Hint
Attempts: 3 of 3 used
Part 3
- Your answer is partially correct.
Write the velocity and acceleration as vectors.
Answers:
v-
e, +
15.82
eg) in./sec
a-(
-3
eg) in./sec2
er+
-3.31
Transcribed Image Text:Part 2 Your Answer Correct Answer (Used) - Your answer is partially correct. Determine ther-and e-components of velocity and acceleration. B 2,7 3.6" 37° -0 Answers: V, - 6 in./sec vg - 15.88 in./sec а, - 3.28 in/sec ag - 2.52 in./sec? eTextbook and Media Hint Attempts: 3 of 3 used Part 3 - Your answer is partially correct. Write the velocity and acceleration as vectors. Answers: v- e, + 15.82 eg) in./sec a-( -3 eg) in./sec2 er+ -3.31
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