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Calculating the hydrostatic force on a submerged body

The hydrostatic force is a force exerted by a fluid on a submerged body. This force comes from the weight of the fluid acting down on the submerged body, so it can be derived from the equation weight (in ...

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Answered by Samuel H. Physics tutor
8341 Views

How do you calculate the pH of a weak acid?

Strong acids dissociate fully in so...

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Answered by Joe M. Chemistry tutor
13439 Views

How do I integrate by parts?

Lets use and example: y=xsin(x). If we try to integrate this normally, we find it very hard. The integration by parts method splits up the function we are integrating into manageable bits. The formula...

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Answered by Barnaby W. Maths tutor
4877 Views

What are the stages of drug testing?

The first stage when a new drug is developed is to model how it is expected to behave in the human body, test animals and individual cells on a computer. This ...

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Answered by Savannah W. Biology tutor
21166 Views

What is the difference between DNA and RNA?

DNA is a double helix, made up of two polynucleotide strands.  RNA is comprised of only one polynucleotide strand.  

The sugar in the sugar-phosphate backbone of DNA is deoxyribose, whereas ri...

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Answered by Claire B. Biology tutor
25758 Views

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