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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 thi...
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Answered by Samuel H. • Physics tutor
8967 Views

How do you calculate the pH of a weak acid?

Strong acids dissociate fully in solution. Examples of strong bases include HCl and H 2 SO4. Organic acids, such as methanoic acid or oxalic acid, as well as some inorganic acids such as hydrogen fluoride, a...
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Answered by Joe M. • Chemistry tutor
14088 Views

How do I integrate by parts?

Lets use and example: y=x sin(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 we us...
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Answered by Barnaby W. • Maths tutor
5142 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 model is based on how similar drugs work, and ho...
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Answered by Savannah W. • Biology tutor
21709 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 ribose is present in...
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Answered by Claire B. • Biology tutor
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