first three answers are correct but can not get the equation of the wave correct Course:...

Question

Question

first three answers are correct but can not get the equation of the wave correct

Answer 1

Answer #1

Equation of the wave :

y = A sin (kx)

where A = amplitude

k = wave vector = k=27/

where $\lambda$ = wavelength of the wave

λ =υν

v= velocity = 3cm/sec

$\nu$ = frequency = 1 Hz

hence $\lambda$ = 3 cm

k = k= 2*/= 2*3.14159/3 = 2.094

hence wave of the equation :

y = 1* sin (2.094x) = sin(2.094x)

Answer 2

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