A mass m =55 g is suspended, hanging vertically from a light spring with constant k =32 N.m −1 . In mechanical equilibrium, the height of the mass above the bench is H = 25 \text{ mm}H=25 mm. It is then moved downwards to height h =17 mm and released from rest. What is the magnitude of its initial acceleration? (Hint: There are at least two steps in this problem. Think carefully, don't guess, and make sure that you can justify
A mass m =55 g is suspended, hanging vertically from a light spring with constant k =32 N.m −1 . In mechanical equilibrium, the height of the mass above the bench is H = 25 \text{ mm}H=25 mm. It is then moved downwards to height h =17 mm and released from rest. What is the magnitude of its initial acceleration? (Hint: There are at least two steps in this problem. Think carefully, don't guess, and make sure that you can justify
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A mass m =55 g is suspended, hanging vertically from a light spring with constant k =32 N.m
−1
. In mechanical equilibrium, the height of the mass above the bench is H = 25 \text{ mm}H=25 mm. It is then moved downwards to height h =17 mm and released from rest. What is the magnitude of its initial acceleration? (Hint: There are at least two steps in this problem. Think carefully, don't guess, and make sure that you can justify your answer. This is really one for drawing a diagram and writing the whole solution, carefully.)
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