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A progressive wave equation is given as y=0.65sine1.2x -0.4t).Use this information to answer question 5-8. (i)Determine the direction of the wave.(ii) Determine the wavelength of the wavea.Left (ii) 4.23b.Left (ii) 5 mc.Right (ii) 5m d.Right (ii) 5.23 me.left (ii) 2.65 mf.right (ii) 4.23

Question

A progressive wave equation is given as y=0.65sine1.2x -0.4t).Use this information to answer question 5-8. (i)Determine the direction of the wave.(ii) Determine the wavelength of the wavea.Left (ii) 4.23b.Left (ii) 5 mc.Right (ii) 5m d.Right (ii) 5.23 me.left (ii) 2.65 mf.right (ii) 4.23

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Solution

(i) To determine the direction of the wave, we need to look at the coefficient of the x term in the wave equation. In this case, the coefficient is positive (1.2x), which means the wave is moving in the positive x direction.

(ii) To determine the wavelength of the wave, we need to look at the coefficient of the x term in the wave equation. In this case, the coefficient is 1.2, which means the wavelength is given by λ = 2π/1.2 = 5.23 m.

Therefore, the correct answer is (d) Right (ii) 5.23 m.

This problem has been solved

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