Physics, 27.09.2020 22:01 sabrinarasull1pe6s61

What is the speed of the wave described by y(x, t)=Acos(x^2 + 2Bxt +B^2 t^2) A) 2Bx
B) B2
C) B/2
D) B

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What is the speed of the wave described by y(x, t)=Acos(x^2 + 2Bxt +B^2 t^2) A) 2Bx
B) B2