A wave of 0.3 m wave height and period 1.2 seconds is generated in a wave tank. The wave tank is 150 m. long, 3 m wide, and 4 m deep and filled with fresh water to a depth of 3 m. The density of water is 997 kg/m3. Required: a)Evaluate the wave celerity, length, group celerity, and energy in one wavelength. b)Determine the water particle velocity and pressure at a depth of 1 m below the still water level (SWL) and 0.2 m ahead of the wave crest. Use SI Units. c)Is the wave breaking

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Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.