Question

A progressive wave is represented by the following equation :

Where y is in centimetre and t is in second. Determine
(i) the direction of the wave propagation
(ii) the wavelength ​

Answer 1

Step-by-step explanation:

I. Direction - Towards the negative x axis since there's a '+' sign b/n π/4 & X

II. y = Asin(wt + kx)

k = 2π/ለ = 1

ለ = 2πcm = 6.29cm or 6.29×10^-2m in meter

i suggest using the one in cm.