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when a diver gets into a tuck position by pulling in her arms and legs, she increases her angular speed. before she goes into the tuck position, her angular velocity is 5.5 rad/s and she has a moment of inertia of

Respuesta :

The Moment of Inertia of the tuck position is 15.125 kg/m.

Given -

angular velocity = 5.5 rad/s

The principle states that Centre of mass remains unaffected in rotational motion of body whereas it deviates its position in translatory motion.

Moment of inertia depends on position and orientation of axis of rotation.

Calculations-

[tex]I= \frac{\alpha ^{2} }{2}[/tex]

I= 5.5 x 5.5 /2

=30.25 /2

= 15.125 kg/m

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