Q1 diffraction also occurs with sound waves consider

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Q1. Diffraction also occurs with sound waves. Consider 1900-Hz sound waves diffracted by a door that is 87 cm wide. What is the angle between the two first-order diffraction minima?

Q2. Two meteoroids are heading for earth. Their speed as they cross the moon's orbit is 2.3 km/s. The second meteoroid misses for earth by 2680 km. What is its speed at its closest point?

Reference no: EM13353860

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