Two Harmonic Waves Are Described By $$y _ { 1 } = ( 5 \mathrm {~m} ) \sin \left( \frac { 6 } { \mathrm {~m} } x - \frac { 900 } { \mathrm {~s} } t \right)$$

question 36

Multiple Choice

Two harmonic waves are described by $$y _ { 1 } = ( 5 \mathrm {~m} ) \sin \left( \frac { 6 } { \mathrm {~m} } x - \frac { 900 } { \mathrm {~s} } t \right)$$ $$y _ { 2 } = ( 5 \mathrm {~m} ) \sin \left( \frac { 6 } { m } x - \frac { 900 } { \mathrm {~s} } t - 2 \right)$$ What is the wavelength of the resultant wave?

• A)3 m
• B)2 m
• C)1 m
• D)4 m
• E)6 m

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