Question

A 0.49 kg object is attached to a spring with a spring constant 167 N/m so that the object is allowed to move on a horizontal frictionless surface. The object is released from rest when
the spring is compressed 0.12 m. Find the force on the object.
b) What is the acceleration at this instant?
bobpursley
F=kx=167*.12

but F= ma, solve for a.

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