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Lubov Fominskaja [6]
3 years ago
5

How to do this goalookr goalookr

Engineering
1 answer:
Zepler [3.9K]3 years ago
7 0

Well, I am not able to understand your question...

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The density of a liquid is to be determined by an old 1-cm-diameter cylindrical hydrometer whose division marks are completely w
Simora [160]

Answer:

1064.8 kg/m³

Explanation:

Weight of the hydrometer = ρghA where ρ is the density, g is acceleration due to gravity, h is the submerged height and A is the cross sectional area.

W in water = ρwghwA

W in liquid = (ρliq)g hliq A where the cross sectional area is constant

W in water = W in liquid

(ρw)ghwA = (ρliq)g hliq A  where ρw is density of water, ρliq is the density of liquid and hw and hliq are the heights of the liquid and that water. g acceleration due to gravity cancel on both sides as well as the constant A

pliq = \frac{hw}{hliq} × 1000 kg /m³ ( density of water) =( \frac{23}{23-1.4}) × 1000 = 1064.8 kg/m³

8 0
3 years ago
Sinks must be used for the correct intended purpose to prevent
irakobra [83]

Answer:

... spilling water or getting anything cascading onto the floor

8 0
3 years ago
An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 40 . For an applied str
erma4kov [3.2K]

Answer:

B. 2.3mm

Explanation:

The correct answer for the given question is B. 2.3mm. Some aircraft are made are fabricated from aluminium which has plane stain fracture toughness. In the given scenario the plane stain toughness is

Ktc = 40 [ MPa \sqrt{(m)} ]

When the Ktc increases the fracture will appear on the aircraft. In this case the maximum crack until the fracture failure is 2.5mm.

8 0
3 years ago
Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90)
IrinaVladis [17]

Answer:

#include <iostream>

using namespace std;

int main()

{

int inputNumber ;

cout << "Enter an interstate highway number:";

cin >> inputNumber ;

if(inputNumber<=0 || inputNumber >= 1000)

cout << inputNumber << " is not a valid interstate highway number" << endl ;

else{

if(inputNumber > 99){

cout << "I-"<<inputNumber<< " is auxiliary, ";

int temp = inputNumber % 100 ;

cout <<"serving I-"<<temp<<", ";

if(temp%2==0){

cout << "going east/west." << endl;

}

else{

cout << "going north/south." << endl;

}

}

else{

cout << "I-"<<inputNumber<< " is primary, ";

if(inputNumber%2==0){

cout << "going east/west." << endl;

}

else{

cout << "going north/south." << endl;

}

}

}

return 0;

}

Explanation:

  • Check if input number is greater than 99, then display that the input number is auxiliary.
  • Check if remainder of input number/2 is equal to 0, then display that going east/west.
3 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs.
sammy [17]

Explanation:

electric motor: fan

semiconductor:

wireless technology: transistor

7 0
2 years ago
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