Top answers


What is centripetal force?

For an object moving in a circular path, the centripetal force is any force which acts towards the centre of this circular path. This means it acts perpendicular to the direction of forward motion. It is imp...
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Answered by Ben H. • Physics tutor
9673 Views

How do I learn and memorise case studies?

Learning the facts of case studies can seem very daunting at the beginning - with all of the names, dates and facts and figures. But, really, it's no different to learning anything else! Here are my top tips...
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Answered by Paven U. • Geography tutor
12498 Views

What are the four levels of protein structure?

Primary - The sequence of amino acids in the Protein, defined by the DNA sequence coding for the protein. Secondary - Any folding or coiling within the protein which are stabilised by hydrogen bonds. The two...
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Answered by Theo N. • Biology tutor
6155 Views

Solve X^2 +13X+48=12

It is first important to get the equation to equal 0, so to do this you minus 12 from each side of the equals symbol, giving youX^2 +13X+36=0Now it is time to think about factorising!The best trick for this ...
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Answered by Kemba M. • Maths tutor
6814 Views

How should I approach my GCSE maths paper?

The way that papers are set is that you usually can allow just over a minute for each mark. This means if a question is 6 marks, it should take about 6 minutes to answer. It is generally a good idea to be qu...
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Answered by Kemba M. • Maths tutor
7334 Views