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Find the Speed of an Ocean Wave Whose Displacement Is y=3.7cos⁡(2.2x−5.6t)y = 3.7 \cos ( 2.2 x - 5.6 t )

Question 110

Multiple Choice

Find the speed of an ocean wave whose displacement is given by the equation y=3.7cos⁡(2.2x−5.6t) y = 3.7 \cos ( 2.2 x - 5.6 t ) where x and y are in meters and t is in seconds.


A) 2.5 m/s
B) 1.9 m/s
C) 3.5 m/s
D) 4.5 m/s

Correct Answer:

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