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2 years ago

¿Por qué la lógica de proposiciones es conocida también como lógica de las proposiciones sin analizar?

Engineering

1 answer:

Ganezh [65]2 years ago

6 0

CHICKEN WING CHICKEN WING HOT DOG AND BALONEY CHICKEN AND MACORONI

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A 10-mm-diameter Brinell hardness indenter produced an indentation 1.55 mm in diameter in a steel alloy when a load of 500 kg wa

BigorU [14]

Answer:

HB = 3.22

Explanation:

The formula to calculate the Brinell Hardness is given as follows:

$HB = \frac{2P}{\pi D\sqrt{D^{2}- d^{2} } }$

where,

HB = Brinell Hardness = ?

P = Applied Load in kg = 500 kg

D = Diameter of Indenter in mm = 10 mm

d = Diameter of the indentation in mm = 1.55 mm

Therefore, using these values, we get:

$HB = \frac{(2)(500)}{\pi (10)\sqrt{10^{2}- 1.55^{2} } }$

HB = 3.22

4 0

2 years ago

A certain servomechanism system has dynamics dominated by a pair of complex poles and no finite nan specifications on the rise t

AveGali [126]

Answer:

The solution is given in the attachments

3 0

3 years ago

Structural engineers, designing an eighty-story office building, need to account for sway. They would most likely use a(n) ____

tia_tia [17]

Answer:

I would say a level

Explanation:

A level is used as a horizontal reference line, which will tell if the building is leaning to one side, or if its up right. I may be wrong but this is the closest thing I can think of for this question.

8 0

2 years ago

g (b) (4 pt) Write a function unique that identifies the repeated elements of a list and returns a list with unique elements. $

Taya2010 [7]

Answer:

I am writing a Python function unique()

def unique(list): # function unique that takes a list as parameter

unique_list = [] #list to store unique elements

for elements in list: # loop that checks every element of the list

if elements not in unique_list: # takes unique elements from list

unique_list.append(elements)

#appends unique elements from list to unique_list

return unique_list #outputs unique_list elements

Explanation:

The unique() function takes a list as argument which is named as list.

unique_list is a new list which stores unique element from the list.

The loop moves through the elements of the list one by one.

if condition checks if the element in list is not present in the unique_list which means that element is unique to the unique_list.

If this condition is true this means that the element is not repeated and is not already present in unique_list. Then that element is included to the unique_list using append() function which appends an element into the unique_list from the list.

If you want to check if this function works you pass a list with repeated elements to this function so that it can print the unique elements as follows:

print(unique([1,2,2,2,2,3,4,4,4,4,4,5]))

Output:

[1, 2, 3, 4, 5]

The screen shot of the function along with its output is attached.

6 0

3 years ago

A 3-ft-diameter duct is used to carry ventilating air ( , ) into a vehicular tunnel at a rate of 11000 ft3/min. Tests show that

Solnce55 [7]

Answer:

a) Friction factor for this duct = 0.0239

b) ε = 0.006 ft

Explanation:

Given data :

Flow rate = 11000 ft^3 /min

Pressure drop = 1.2 in per 1500 ft of duct

a) Determine the value of the friction factor for this duct

Friction factor for this duct = 0.0239

b) Determine the approximate size of the equivalent roughness of the surface of the duct

ε = 0.006 ft

attached below is the detailed solution to the given problem

8 0

2 years ago