A transverse wave on a cord is given by D(x,,t) = 0.11,{rm sin}(4.0x - 24.0t), where D and x are in {rm m} and t is in {rm s}.At t =0.13 <units>s</units>, what is the displacement of the point on the cord where x = 0.45 <units>m</units>? At t = 0.13 <units>s</units>, what is the velocity of the point on the cord where x = 0.45 <units>m</units>?

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