Answer:
El profesor tiene que ensenear
Yo tengo que estudiar
Mis padres tienen que trabajar
Tu tienes que leer
Felipe y yo tenemos que escribir
La doctora tiene que usar la computadora
Explanation:
:)
Answer: The right answer is actually "no estudies."
Explanation: Just to elaborate a little on the answer, it can be added that in this exercise they are asking you to conjugate the so-called imperative mood, which primarily expresses a command, an appeal, or a plea. The negative command of the verb "estudiar" (to study) in the second person singular is "no estudies" and it can be translated as "do not study."
Answer:
A1v1 = A2v2 = 0,1 m 3/ s
⇒ v1 = 0,1 m³/s / π(0,2 m)²
= 0,8 m/s
and v = 0,1 m³/s / π(0,1 m)²
= 3,2 m/s
Segundo, usamos a equação de Bernoulli para determinar a diferença de pressão entre os extremos do tubo:
P1 - P2 = ½ ρ(v2² - v1²) + ρg(h2 - h1)
= ½ × 10³ kg/m³ . ((3,2 m/s )² - (0,8 m/s )²) + 10³ kg/m³ . 9,8 m/s² . 3,0 m
= 34.200 N/m 2
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