the equation of a wave is given as y=0.5sin(3πx + 50πt). when x and y are in metres and t is in seconds. Find the amplitude, the wavelength of k and the wavelength of the wave​

if they are optional

all are correct

Correct option is

D

All are correct

the equation of a given progressive wave is

y=5sin(100πt−0.4πx) (i)

The standard equation of a progressive wave is

y=asin(ωt−Kx) ...(ii)

Comparing (i) and (ii), we get

a=5m,ω=100π rad s

−1

,k=o.4πm

−1

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Original cost =70 pounds

Step-by-step explanation:

Let original cost be x,

so original cost = x