Answer:
- <u>Translated from Portuguese language:</u>
"In the diagram that follows the register (B) is closed and register (A) open and in this way the water is poured by (1). The pressure indicated in the figure is the same, as well as having the same force F = 1090 N, necessary for the balance in the "x" direction. Determine what the equilibrium force should be, according to the y-direction for this situation. Data: g H₂O = 10,000 N / m³; Ao = 100 cm²; A₁= 50 cm²; A₂ = 75 cm²; g = 10 m / s₂."
Answer: Phonetics is divided into three types according to the production (articulatory), transmission (acoustic) and perception (auditive) of sounds. Three categories of sounds must be recognised at the outset: phones (human sounds), phonemes (units which distinguish meaning in a language), allophones (non-distinctive units).
Explanation:
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