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Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving

What is the frequency if a wave that pases a given pount 22 times in 2 seconds

Is the number of complete movements of a wave per second.