A pulse as shown in figure is moving fowards negative x - axis at v = 1 cm/s in a stretched string. End at (0, 0) is open. And given snapshot is at t = 0 sec at t = 3 sec. y - coordinate of string at x = 0.5 cm is cm.

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Solution

By vector addition
y = $y_{1} + y_{2} = 1 + 1$
y = 2 cm

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A pulse as shown in figure is moving fowards negative x - axis at v = 1 cm/s in a stretched string. End at (0, 0) is open. And given snapshot is at t = 0 sec at t = 3 sec. y - coordinate of string at x = 0.5 cm is cm.

By vector addition y = y1+y2=1+1 y = 2 cm

By vector addition
y = $y_{1} + y_{2} = 1 + 1$
y = 2 cm