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What is the energy continuum concept?

The energy continuum describes how the different energy systems interact to provide energy for the human body during exercise. Key points-> All systems provides energy at any given time. At any...

CK
26496 Views

Given that f(x)= (3+x^2)(x^1/2-7x). Find f'(x) (5marks)

Because there are two functions that are enclosed in brackets, you should realise that you need to differentiate by parts. You can expand out and differentiate through, but because of the x^1/2 it can get...

AS
Answered by Amrit S. Maths tutor
3752 Views

What are the advantages of a codified constitution?

A codified constitution is essentially a type of constitution that is written in a single document, outlining the rules for how power is exercised in the country. There are several factors in favour of a ...

CT
25090 Views

What is the smallest possible value of the integral ∫(x-a)^2 dx between 0 and 1 as a varies?

This is a minimisation problem, but it's slightly tricky to see what it is we're minimising. Seeing as it's a that's varying, we are going to have to differentiate with respect to a at some point. We're g...

RT
Answered by Ryan T. Maths tutor
11626 Views

Explain the 3 pieces of evidence that disprove Kekule's model of benzene.

Kekulé's model of benzene is that it has 3 double bonds, in a ring of 6 carbons.
One - Benzene isn't very reactive, so if Kekulé's model were to be correct, there would be 3 double bonds in benzene, ...

EW
Answered by Ellie W. Chemistry tutor
34904 Views

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