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Category > Physics Posted 08 May 2017 My Price 6.00

3R

Directions: Assume, unless otherwise specified, that all numbers have at least 3 significant figures.  A pendulum is constructed by attaching a non-uniform disk of mass M and radius R to a uniform stick of mass 4M and length 3R (see sketch). The surface density of the disk is given by ï³ = a r2,

where r is the distance from the diskâs center and a is a constant that can be determined and

written in terms of M and R. The other end of the stick is attached to a frictionless pivot. With the pendulum held in a horizontal position, it is released from rest. When the pendulum makes an angle of 30ï° with the vertical, findâ¦

A. The angular acceleration of the pendulum. B.  The tangential speed of the center of mass. C. The force (magnitude and direction) exerted by the pivot on the pendulum.

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SuperTutor
(14)
Status NEW Posted 08 May 2017 04:05 AM My Price 6.00

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file 1494218259-Solutions file.docx preview (56 words )
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