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If we have a position wave function y(x, t) = Acos(kx - wt), and we rely...

If we have a position wave function y(x, t) = Acos(kx - wt), and we rely on the second derivate of this function to find the maximum transverse acceleration of particles on a rope, would we use amax = Aw2 or amax = - Aw2, since the second derivative would retain the minus sign?

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Sol:- dt2 nsin&籵ut).(b.u)|| ..憐(-os@rtht Aw.dlsin(m-cufノ dt

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