At a point , two water waves of the same frequency arrive with equal displacement…

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

At a point

P

, two water waves of the same frequency arrive with equal displacement amplitudes of

4.0\,\text{mm}

but with a phase difference of

120^{\circ}

. Determine the amplitude of the resultant displacement observed at point

P