Problem 1: two sources emit waves that are coherent, in phase, and have wavelengths of 26.0 m. do the waves interfere constructively or destructively at an observation point 78.0 m from one source and 143 m from the other source?
2) repeat problem 1 for observation points are (a) 91.0 m and 221 m and (b) 44.0 m and 135 m from the two sources.
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Problem 1: two sources emit waves that are coherent, in phase, and have wavelengths of 26.0 m. do t...
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