October 8, 2015

Homework Help: Physics

Posted by Andrea on Wednesday, January 30, 2008 at 5:38pm.

Find the instantaneous velocity of a mass on a spring oscillating on a horizontal frictionless surface at the instant when its displacement is half of its maximum displacement x=(x_max/2). Assume the max velocity of that mass during each oscillation is v_max= 2m/s.

I know that I will have this: v = (2*pi)/T *(x_max/2) I'm having trouble because I don't have the period(T). I also don't know x_max

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