November 25, 2015

Homework Help: Physics

Posted by Amy on Sunday, December 30, 2012 at 4:36pm.

A mass is suspended from a vertical spring and the system is allowed to come to rest. When the mass is now pulled down a distance of 76mm and released, the time taken for 25 oscillations is 23s.
Find the displacement of the mass from its rest position 0.6s after being released. State the direction of this displacement.

The answer is -43.1mm upward, but I am not sure how to work out the direction?

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