Two progressive waves y1=Asin((2π/λ)x−ωt) and y2=Asin((2π/λ)x−ωt−π2) travel in the same direction. Calculate the velocity of the wave produced as a result of interference of these two waves. Take A=5cm, λ=8.8 m and ω=20.2 rad/s (radian per second). Give your answer in SI units.

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.