. ) A wave is described by the function y (x, $) = 1. Som cos (5sit - 2 TIX) - x is in meters a ) 4 com ) . t 's in S 1.0 which of the plots 0.5 -0.5 0.5 shown corresponds t(s ) to yet) at X=0 ? b ) y(am ) -0.5 0.5 -0.5 t( ) -1.0 C ) d ) MM2) A wave is described by the function y (x, $)= 1. Som @s (54it - 2TIX) - x is in meters 1.5 com ) . ti in S D.5 x(10) which of the plots -0.5 shown corresponds to y( x ) at two ? b ) 15 y (om) -0.5 1.5 be co ) 1.0 0.5 * [ro ) - 23) A wave is described by the functions 4 (x, t)= 1. Som cos (59t - 2TIX ) What is the pervad of the wave ? a) . as C) . 65 d ) . 85 e 1.os