The robot arm is elevating and extending simulta- neously. At a given instant, 0 = 30°, 6 = 10 deg/s = constant, l = 0.5 m, i = 0.2 m/s, and i = -0.3 m/s². Compute the magnitudes of the velocity v and accel- eration a of the gripped part P. In addition, express v and a in terms of the unit vectors i and j. Ans. v = 0.296 m/s, a = 0.345 m/s² 0.0641+ 0.289j m/s v = a = -0.328i 0.1086j m/s² y T - P

The robot arm is elevating and extending simulta- neously. At a given instant, 0 = 30°, 6 = 10 deg/s = constant, l = 0.5 m, i = 0.2 m/s, and i = -0.3 m/s². Compute the magnitudes of the velocity v and accel- eration a of the gripped part P. In addition, express v and a in terms of the unit vectors i and j. Ans. v = 0.296 m/s, a = 0.345 m/s² 0.0641+ 0.289j m/s v = a = -0.328i 0.1086j m/s² y T - P

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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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

5 The robot arm is elevating and extending simulta-
neously. At a given instant, 0 = 30°, 6 = 10 deg/s =
constant, l = 0.5 m, i = 0.2 m/s, and i = -0.3 m/s².
Compute the magnitudes of the velocity v and accel-
eration a of the gripped part P. In addition, express v
and a in terms of the unit vectors i and j.
Ans. v= 0.296 m/s, a = 0.345 m/s²
v=0.064i + 0.289j m/s
a = -0.328i - 0.1086j m/s²
0.75 m
0
Problem 2/153

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