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Two identical sinusoidal waves, moving i...

Two identical sinusoidal waves, moving in the same direction along a stretched string, interfere with each other. The amplitude y of each wave is 9.8 mm, and the phase difference p between them is `100^@.`
(a) What is the amplitude y. of the resultant wave due to the interference, and what is the type of this interference?
(b) What phase difference, in radians and wavelengths, will give the resultant wave an amplitude of 4.9 mm?

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To solve the problem, we will break it down into two parts as specified in the question. ### Part (a): Finding the Resultant Amplitude and Type of Interference 1. **Identify Given Values**: - Amplitude of each wave, \( A_1 = A_2 = 9.8 \, \text{mm} \) - Phase difference, \( \phi = 100^\circ \) ...
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