•12-213. The man pulls the boy up to the tree limb C by walking backward. If he starts from rest when x₁ = 0 and moves backward with a constant acceleration a = 0.2 m/s², determine the speed of the boy at the instant y = 4 m. Neglect the size of the limb. When xµ = 0, YB = 8 m, so that A and B are coincident, i.e., the rope is 16 m long. XA C B Ув 8m
•12-213. The man pulls the boy up to the tree limb C by walking backward. If he starts from rest when x₁ = 0 and moves backward with a constant acceleration a = 0.2 m/s², determine the speed of the boy at the instant y = 4 m. Neglect the size of the limb. When xµ = 0, YB = 8 m, so that A and B are coincident, i.e., the rope is 16 m long. XA C B Ув 8m
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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Transcribed Image Text:•12-213. The man pulls the boy up to the tree limb C by
walking backward. If he starts from rest when XA = 0 and
moves backward with a constant acceleration a = 0.2 m/s²,
determine the speed of the boy at the instant YB = 4 m.
Neglect the size of the limb. When XA 0, YB = 8 m, so that A
and B are coincident, i.e., the rope is 16 m long.
XA
=
B
Probs. 12-212/213
Ув
8 m
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