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categoryفيزياء
schoolبكالوريوس
event_available2026-07-13
السؤال
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1.
O-10 points HRW10 12.P.001.
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Because g varies so little over the extent of most structures, any structure's center of gravity effectively coincides with its center of
mass. Here is a fictitious example where g varies more significantly. The figure below shows an array of six particles, each with
mass m, fixed to the edge of a rigid structure of negligible mass. The distance between adjacent particles along the edge is 2.30 m.
The following table gives the value of g (m/s²) at each particle's location.
Particle 9
Particle
9
1
8.00
4
7.44
2
7.80
5
7.67
3
7.67
6
7.80
Using the coordinate system shown, find the following. (Enter your answers to at least two decimal places.)
(a) the x coordinate xom of the center of mass of the six-particle system
m
(b) the y coordinate yom of the center of mass of the six-particle system
m
(c) the x coordinate x of the center of gravity of the six-particle system
m
(d) the y coordinate you of the center of gravity of the six-particle system
m
abolishing it in the 19th Century while other states came up with
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