Find the speed of an ocean wave whose vertical displacement y as a function of time t is given by y(x,t) = 3.7 cos(2.2x - 5.6t), where all quantities are in SI units
A) 2.5 m/s
B) 1.9 m/s
C) 3.5 m/s
D) 4.5 m/s
A
Physics & Space Science
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