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dezoksy [38]
2 years ago
15

Determine the dimensions for W if W = P L^3 / (M V^2) where P is a pressure, L is a length, M is a mass, and V is a velocity.

Engineering
1 answer:
Eva8 [605]2 years ago
6 0

Correct answer is option E. No dimensions

As we know formula Pressure (P) is \frac{F}{A}

also,

  • Dimensional formula of <em>Pressure is </em>M^{1}L^{-1}T^{-2}
  • Dimensional formula of <em>length is L </em>
  • Dimensional formula of <em>mass is M</em>
  • Dimensional formula  of <em>velocity is </em>L^{1} T^{-1}

So, as given W=\frac{P*L^{3} }{M*V^{2} }

Dimensional formula of W =\frac{M^{1}L^{-1}T^{-2}  L^{3}  }{M^{1} L^{2}T^{-2}   }

since all terms get cancelled

Work is dimensionless i.e no dimensions

Learn more about dimensions here brainly.com/question/20351712

#SPJ10

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Create a program named PaintingDemo that instantiates an array of eight Room objects and demonstrates the Room methods. The Room
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Answer:

Explanation:

Code used will be like

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using System.Collections.Generic;

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using System.Threading.Tasks;

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{

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}

class PaintingDemo

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int l, w, h;

Room[] r = new Room[8];

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Console.WriteLine("Room "+(i+1));

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Console.Write("Enter Width : ");

w = Convert.ToInt32(Console.ReadLine());

Console.Write("Enter Height : ");

h= Convert.ToInt32(Console.ReadLine());

r[i] = new Room(l,w,h);

Console.WriteLine();

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for (int i = 0; i <= 7; i++)

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Console.WriteLine("Room " + (i + 1));

r[i].WallAreaAndNumberGallons();

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Console.ReadKey();  

}

}

}

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