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frosja888 [35]
3 years ago
6

Escribo dentro del paréntesis la letra (F) si el enunciado es falso o (V) si el enunciado es verdadero. Fundamento si mi elecció

n es falsa a. () La resistencia es una cualidad que nos permite soportar esfuerzos prolongados b. ( ) Existen dos tipos de resistencia láctica y la aláctica C ( En la resistencia aeróbica intervienen los sistemas respiratorio y el circulatorio d ( > En la resistencia aeróbica se trabaja con déficit de oxigeno La resistencia anaeróbica nos permite soportar esfuerzos de larga duración Cito los beneficios de la resistencia aérobica y la anaeróbica a. Resistencia aeróbica b. Resistencia anaeróbica
Physics
1 answer:
KatRina [158]3 years ago
4 0

Answer:

El primero es (V) y el segundo es(f)

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Un ladrillo se le imparte una velocidad inicial de 6m/s en su trayectoria hacia abajo. ¿cual sera su velocidad final despues de
marshall27 [118]
Saludos!

Respuesta:

28,64 m/s.

Explicación:

Datos: 

Altura o distancia recorrida: 40 m
Vo: 6 m/s 
Aceleración de la gravedad: 9,81 m/s²

El ejercicio puede ser resuelto facilmente utilizando la siguiente formula, sin embargo es posible realizarlo utilizando formulas diferentes. 

Entonces tenemos que:

Vf ^{2} -Vo ^{2} =2 x g x h

Es importante saber que al estar lanzando el ladrillo hacia abajo, el sentido del movimiento sigue el sentido de la gravedad, es decir es necesario que tomes el valor de la gravedad como positivo (+) y no negativo (-) como normalmente se usa.

Sustituyendo tenemos que:

Vf x^{2} =(6 m/s) ^{2} +(2)x(9,81 m/s ^{2})x(40m) \\ Vf ^{2} =820,8 m^{2} /s ^{2}  \\  \sqrt{Vf ^{2} } = \sqrt{820,8m^{2}/s ^{2}  }  \\ Vf=28,64 m/s

Que tengas un buen día!
6 0
3 years ago
A plate drops onto a smooth floor and shatters into three pieces of equal mass.Two of the pieces go off with equal speeds v at r
Firlakuza [10]

Answer:

Speed of the this part is given as

v_3 = \sqrt2 v

Also the direction of the velocity of the third part of plate is moving along 135 degree with respect to one part of the moving plate

Explanation:

As we know by the momentum conservation of the system

we will have

P_1 + P_2 + P_3 = P_i

here we know that

P_1 = P_2

the momentum of two parts are equal in magnitude but perpendicular to each other

so we will have

P_1 + P_2 = \sqrt{P^2 + P^2}

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P_3 = -(P_1 + P_2)

mv_3 = -(\sqrt 2 mv)

v_3 = \sqrt2 v

Also the direction of the velocity of the third part of plate is moving along 135 degree with respect to one part of the moving plate

6 0
3 years ago
Where does most of earths available carbon come from
cupoosta [38]
Rocks and sediments I believe
6 0
3 years ago
Which of the following units is the SI unit of velocity? a. meter c. meter per second b. meter·second d. second per meter
enot [183]
C. meter per second

Velocity and speed share the same SI unit.
5 0
3 years ago
A(n) 0.5 kg soccer ball approaches a player horizontally with a speed of 10.6 m/s. The player illegally strikes the ball with he
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Answer: - 25.2 kgm/s

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The negative sign implies that the change in momentum is the opposite direction relative to the first.

6 0
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