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Waves Freedman - Wappingers Central School District
www.wappingersschools.org22.A wave completes one vibration as it moves a distance of 2 meters at a speed of 20 meters per second. ... 32.Which phrase best describes a periodic wave? A) diffraction B) absorption C) reflection D) refraction ... After the pulses have passed through each other, what will be the amplitude of each of the two pulses? A) 0° B) 90° C) 180° D ...