A 2.25-kg mass is pushed against a horizontal spring of force
constant 23.7 N/cm on a frictionless air table. The spring is
attached to the tabletop, and the mass is not attached to the
spring in any way. When the spring has been compressed enough to
store 11.6 J of potential energy in it, the mass is suddenly
released from rest.(a) Find the greatest speed the mass
(b) What is the greatest
acceleration of the mass
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