Find the Speed of an Ocean Wave Whose Vertical Displacement

question 18

Multiple Choice

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

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