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A 3.1-kg sphere is suspended by a cord that passes over a 1.3-kg pulley of radius 3.2 cm. The cord is attached to a spri

Posted: Sun Jul 10, 2022 11:54 am
by answerhappygod
A 3.1-kg sphere is suspended by a cord that passes overa 1.3-kg pulley of radius 3.2 cm. The cord isattached to a spring whose force constant is
k = 86 N/m
as in the figure below. Assume the pulley is a soliddisk.
(b) Find the speed of the sphere after it has fallen 25cm.