Please refernece attachment. See image for more information. A man is sitting on a flat disc that is rotating. The disc mass is 200 kg, witha radius of 3 meters. He has a mass of 75 kg, and initially is sitting 2.5meters from the center. Here he and the disc are rotating at 2.0 rad/sec.He wants to increase the angular velocity they rotate to 2.5 rad/sec, howfar from the center should he move to, in meters? Note moment of inertiafor the disk is (1/2)mr^2, and only the numerical answer needs to be typedin. *

Answered: A man is sitting on a flat disc that is…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 59P: A bug of mass 0.020 kg is at rest on the edge of a solid cylindrical disk (M=0.10kg,R=0.10m)...

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Please refernece attachment. See image for more information.

A man is sitting on a flat disc that is rotating. The disc mass is 200 kg, with
a radius of 3 meters. He has a mass of 75 kg, and initially is sitting 2.5
meters from the center. Here he and the disc are rotating at 2.0 rad/sec.
He wants to increase the angular velocity they rotate to 2.5 rad/sec, how
far from the center should he move to, in meters? Note moment of inertia
for the disk is (1/2)mr^2, and only the numerical answer needs to be typed
in. *

Expert Solution

Step 1

$m a s s o f d i s c (M) = 200 k g r a d i u s o f d i s c (r) = 3 m m a s s o f m a n (m) = 75 k g d i s \tan c e o f m a n f r o m c e n t e r o f d i s c (d) = 2.5 m I n i t i a l a n g u l a r v e l o c i t y (ω) = 2 \frac{r a d}{s e c} F i n a l a n g u l a r v e l o c i t y (ω') = 2.5 \frac{r a d}{s e c}$

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