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kari74 [83]
3 years ago
12

I really need help with this one please help me thank you​

Mathematics
1 answer:
sveta [45]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Una caja de 25 newtons se suspende mediante un cable con diámetro de 2cm¿cuál es el esfuerzo aplicado al cable?
Naddik [55]

El cable experimenta un esfuerzo axial de 79577.472 pascales por el peso de la caja.

<h3>¿Cómo calcular el esfuerzo aplicado sobre el cable?</h3>

La caja tiene masa y está sometida a un campo gravitacional, por tanto, tiene un peso (W), en newtons. Por el principio de acción y reacción (tercera ley de Newton), encontramos que el cable es tensionado debido a ese peso y su área transversal experimenta un esfuerzo axial (σ), en pascales.

Asumiendo una distribución uniforme de la fuerza sobre toda la superficie transversal de la cuerda, tenemos que el esfuerzo axial se calcula mediante la siguiente expresión:

σ = W / (π · D² / 4)

Donde:

  • W - Peso de la caja, en newtons.
  • D - Diámetro del área transversal de la caja, en metros.

Si sabemos que W = 25 N y D = 0.02 m, entonces el esfuerzo axial aplicado a la cuerda es:

σ = 25 N / [π · (0.02 m)² / 4]

σ ≈ 79577.472 Pa

<h3>Observación</h3>

La falta de problemas verificados en español sobre esfuerzos axiales obliga a buscar uno equivalente en inglés.

Para aprender más sobre esfuerzos axiales: brainly.com/question/13683145

#SPJ1

5 0
1 year ago
I really need help Please ​
strojnjashka [21]

Answer:

43

Step-by-step explanation:

180 - (109+28) = 43

the sum of all angles in a triangle is 180

8 0
3 years ago
The inverse of the function f(x) = 1/2x + 10 is shown.
Yuri [45]

the answer is f(x)= 2(x-10)  which you are able to simplify to

2x-20

5 0
4 years ago
Read 2 more answers
A single conservative force vector F = (4.0x - 12)i hat N where x is in meters, acts on a particle moving along an x axis. The p
serious [3.7K]

Answer:

(4.0x - 12)i . (5/3)i

Step-by-step explanation:

Potential energy = Workdone

Workdone = Force x distance

Force = F = (4.0x - 12)i  N

Workdone = 20J

At  x= 0

F = -12i

/F/= 12

Workdone = Force  x distance

20  =   12 x   distance

Distance =  20/12

               =  5/3

In the vector form  distance is written as (5/3)i

Since Workdone/ Energy is scalar, U can be expressed as a dot product of  the vectors of Force and distance :

(4.0 x - 12)i . (5/3)i

7 0
3 years ago
What is the mean of the data set?<br> 17, 24, 26, 13
andriy [413]

Answer:

20

Step-by-step explanation:

To find the mean, add up all the numbers and divide by the number of points

mean = (17+24+26+13)/4

          =80/4

          =20

5 0
3 years ago
Read 2 more answers
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