Three point masses ma, mB and mc are located in the x-y plane at points A, B and C as shown in Figure They are connected together by massless rods. Find the kinetic energy of the system if it rotates with an angular speed of 4.0 rad/s about the z-axis passing through point A. Fig# y mg = 0.10 kg 0.30 m 0.40 m A m, = 0.30 kg mc = 0.20 kg A) 0.46 J В) 0.69 J C) 0.21 J D) 1.2 J E) 2.5 J

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Three point masses ma, mB and mc are located in the x-y plane at points A, B and C as
shown in Figure They are connected together by massless rods. Find the kinetic energy of
the system if it rotates with an angular speed of 4.0 rad/s about the z-axis passing through
point A.
Fig#
y
mg = 0.10 kg
0.30 m
0.40 m
A
m, = 0.30 kg
mc = 0.20 kg
A) 0.46 J
В) 0.69 J
C) 0.21 J
D) 1.2 J
E) 2.5 J
Transcribed Image Text:Three point masses ma, mB and mc are located in the x-y plane at points A, B and C as shown in Figure They are connected together by massless rods. Find the kinetic energy of the system if it rotates with an angular speed of 4.0 rad/s about the z-axis passing through point A. Fig# y mg = 0.10 kg 0.30 m 0.40 m A m, = 0.30 kg mc = 0.20 kg A) 0.46 J В) 0.69 J C) 0.21 J D) 1.2 J E) 2.5 J
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