Posted by **ullas** on Wednesday, February 2, 2011 at 10:02pm.

A spring (k = 400 N/m) is hung vertically.

a) If a 5 kg mass is attached to the end of the spring and gently lowered to rest position, what will be the stretch of the spring?

b) If the 5 kg mass is attached and simply dropped, what will be the maximum velocity and the maximum stretch?

c) What will be the period of resulting oscillation?

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