Question: A compact disc spins at 2.5 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off

A compact disc spins at 2.5 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.0 cm from the CD’s center.

(a) What is the coefficient of friction between the ant and the CD?

(b) Is this the coefficient of static friction or kinetic friction?

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