Question: the 6 8 - lb solid circular disk is initially at rest on the horizontal surface when a 7 - lb force P , constant

the

68 -

lb solid circular disk is initially at rest on the horizontal surface when a

7 -

lb force P

,

constant in magnitude and direction, is applied to the cord wrapped securely around its periphery. Friction between the disk and the surface is negligible. Calculate the angular velocity of the disk after the

7 -

lb force has been applied for

6

seconds and find the linear velocity v of the center of the disk after it has moved

4

feet from rest

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