Question

A solid uniform disk on a frictionless surface.

A solid uniform disk of mass 21.0 kg and radius 85.0 cm is at rest flat on a frictionless surface. The figure shows a view from above. A string is wrapped around therim of the disk and a constant force of 35.0 N is applied to the string. The string does not slip on the rim.
In what direction does the cm move?
When the disk has moved a distance of 5.4m , determine how fast it is moving.
How fast it is spinning(in radians per second).
How much string has unwrapped from around the rim

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