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How do I analyse a primary source?

Analysing a primary source is key for everyone trying to explain a particular event in history. One must try to distance themselves and their opinions firstly and certain crucial points must be answered: ...

Answered by Károly G. • History tutor

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The volume of liquid in a container is given by v=(3h^2+4)^(3/2)-8, find dV/dh when h = 0.6

Chain rule: dV/dh=9h(3h^2+4)^(1/2)
sub in h=0.6 , dV/dh = 12.17

Answered by Johnny H. • Maths tutor

8343 Views

Given that y=(4x^2)lnx, find f"(x) when x=e^2

Product rule: first order derivative = 8xlnx+4x Second order derivative = 8lnx+12 Sub in e^2 , 16lne + 12 = 24

Answered by Johnny H. • Maths tutor

4702 Views

Why do objects reach terminal velocity?

The force of gravity acts on an object, causing it to accelerate towards the earth. As it’s velocity increases the drag force (friction) exerted on it by the air increases. When the two forces on the obje...

Answered by Aylin L. • Physics tutor

15223 Views

What is the Hardy-Weinberg equilibrium and when is it used? With an example

The Hardy-Weinberg equilibrium is used to work out dominant and recessive allele ratios in a population regarding one gene. Dominant alleles are those which when at all present in the genotype develops a ...

Answered by Ellie B. • Biology tutor

8922 Views