explain or no rate at a performance, Mario is setting up two speakers which will

Question

explain or no rate

at a performance, Mario is setting up two speakers which will produce a pure tone at 95. 28 Hz for use in an audio test, the speakers are in phase with one another. He notices that his mother-in-law, who is very sensitive to such sounds, has a seat 9. 0 m from the first speaker. He wants to position the second speaker so as to minimize the sound intensity she hears. Which of these distances between her and the second speaker will he best? ( The air temperature is 20 degree C). 14. 4 m 1. 8 m 9. 1 m 9. 7 m 12. 6 m an airplane is uniformly accelerating horizontally along a runway before taking off. While it does so, . in elderly gentleman dangles his pocketwatch from its chain. He finds that, during that time, the watch doesn't hang straight down; instead, the chain makes an angle 0 to the vertical. The plane's takes 30 seconds to get from rest to 100 m/s. What is theta? 9. 4 degree 71. 2 degree 35. 6 degree 18. 8 degree. 47. 6 degree

Explanation / Answer

14)

A

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