(b) Crudely model the "balance bird" as consisting of three masses: one mass m at each at the tip of the two wings, and one with twice the mass, 2m, in the body of the bird. Let's choose a coordinate system with the origin at the tip of the bird's beak, with the x-axis pointing in the bird's “forward" direction, and with the z-axis pointing upwards. Assume that the two masses at the tips of the wings are located at n-E)- 3.0 3.0 7.5 cm and -7.5 -2.0 -2.0

(b) Crudely model the "balance bird" as consisting of three masses: one mass m at each at the tip of the two wings, and one with twice the mass, 2m, in the body of the bird. Let's choose a coordinate system with the origin at the tip of the bird's beak, with the x-axis pointing in the bird's “forward" direction, and with the z-axis pointing upwards. Assume that the two masses at the tips of the wings are located at n-E)- 3.0 3.0 7.5 cm and -7.5 -2.0 -2.0

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

(b) Crudely model the "balance bird" as consisting of three masses: one
mass m at each at the tip of the two wings, and one with twice the
mass, 2m, in the body of the bird. Let's choose a coordinate system
with the origin at the tip of the bird's beak, with the x-axis pointing
in the bird's "forward" direction, and with the z-axis pointing upwards.
Assume that the two masses at the tips of the wings are located at
-)-
3.0
3.0
7.5
and
-7.5
(1)
cm
cm.
-2.0
-2.0
Let's say we want the third mass (2m) to be on negative x axis (i.e. its location vector will have y and
z components
underneath the tip of the beak?
0.) Where should we place the third mass so that the bird's center of mass is directly

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