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Rotational Physics problem PLEASE HELP!!

Rigid rods of negligible mass lying along the y axisconnect three particles (Fig. P10.20). The system rotates about thex axis with an angular speedof 3.00 rad/s.


Figure P10.20

(a) Find the moment of inertia about thex axis.
kg·m2
Find the total rotational kinetic energy evaluated from 1/2I2.
J
(b) Find the tangential speed of each particle.
m/s (4.00 kgparticle)
m/s (2.00 kgparticle)
m/s (3.00 kgparticle)
Find the total kinetic energy evaluated from mivi2/2.
J
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