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Scilla [17]
3 years ago
9

Group them useful or harmful. Write the number of your answer in the appropriate box​

Chemistry
1 answer:
nikdorinn [45]3 years ago
8 0

Answer:

Soap-wag mo ilalagay sa mata

alcohol same with the soap

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In a Dam, If we doubled the depth of the dam the hydrostatic force will be ?
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Answer: Option (A) is the correct answer.

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Force acting on a dam is as follows.

                  F = \frac{1}{2}\rho g\omega H^{2} .......... (1)

Now, when we double the depth then it means H is increasing 2 times and then the above relation will be as follows.

                F' = \frac{1}{2}\rho g\omega (2)^{2}

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Now, dividing equation (1) by equation (2) as follows.

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Cancelling the common terms we get the following.

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Thus, we can conclude that if doubled the depth of the dam the hydrostatic force will be 4F.

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