A standing wave on a 2-m stretched string is described by: y(x,t) = 0.1 sin(2tex) cos(50rt), where x and y are in meters and t is in seconds. Determine the shortest distance between a node and an antinode. D = 50 cm O D = 25 cm D = O D = 12.5 cm O D = 16.67 cm O D = 33.34 cm