•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 Neglect the size of the limb. When XA = О, Ув 8 m, so that A and B are coincident, i.e., the rope is 16 m long. = 4 m. = B Probs. 12-212/213 Ув = 8m

Elements Of Electromagnetics
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•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
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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