A spinning tossed baseball veers off course in the direction ofA) reduced air pressure on the ball.B) increased air pressure on
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The wavelength 
of the wave is 160 m, and this is the distance between two consecutive crests. The boat is located at a crest of the wave, this means that the first trough is located 80 meters from the boat (because the distance between a crest and a trough is half the wavelength).
The speed of the wave is
so the time the boat takes to reach the first trough is
The speed of the wave is
so the time the boat takes to reach the first trough is