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Differentiate y=(sin(x))^(2)

Using the chain rule of dy/dx=dy/du * du/dx we label sin(x) as u. Now we differentiate u with respect to x, getting cos(x). Then we differentiate u 2 , getting 2u. Mutiplying these together gets us 2u*cos(x)...
BH
Answered by Bill H. • Maths tutor
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How do you calculate lattice enthaply?

You can't directly measure lattice enthalpy of a solid crystal, so you have to look at a different method. Usually this would be experimentally or using Hess's Law to construct a Born-Haber cycle. The Born-H...
Answered by • Chemistry tutor
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Describe semi-conservative DNA replication

The double helix structure unzips which is catalysed by the DNA Helicase enzyme. DNA Helicase overcomes hydrogen bonding between nitrogenous bases. Two strands are produced, each one acts a template. Free DN...
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Answered by Prashant A. • Biology tutor
5446 Views

How does having a rotating plate in a microwave help food to be heated eavenly?

As microwaves are emitted from several different sources in a confined space, the waves are reflected off the internal walls and a interference pattern is formed. There are areas of destructive superstition ...
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Answered by Nassina R. • Physics tutor
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what is the centripetal force?

a force that acts on a body moving in a circular path and is directed towards the centre around which the body is moving.
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Answered by Othman A. • Physics tutor
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