Question

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The pressure in a water pipe on the ground floor of a building is 80,000 Pascal. Whereas, on the third floor it is 10,000 Pascal. What is the height of the third floor?

Answer 1

Let h1 be the height of first floor.

Let h2 be the height of second floor.

H1-H2=h (Distance between the two floors)

Now dgh1=4×10^4

dgh2= 1×10^

dg(h2-h1)= 3×10^ 4

dgh2=3×10^

dh= 3×10^3

h= 3

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Answer 2

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