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How far is the point (7,4,1) from the line that passes through the points (6,4,1) and (6,3,-1)?

To begin with, we should find the equation of the line. To do this we appoint a position vector and a direction vector. The position vector can simply be one of the two points we are give, i.e. (6,4,1). T...

Answered by Rebecca H. • Further Mathematics tutor

2819 Views

Construct expressions for pH, Kw and Gibbs Free energy

pH=-log[H+] Kw=[H+][OH-] GFE=enthalpy-(temp*entropy)

Answered by Joe D. • Chemistry tutor

4682 Views

Describe the process of the reflex arc.

The reflex arc is activated to create a rapid response in order to maintain safety. It is an innate, automatic response to a dangerous stimulus.

It involves 3 neurones. A sensory neurone, a motor n...

Answered by Ria S. • Biology tutor

15109 Views

Would a written constitution be beneficial to the United Kingdom?

The implementation of a completely codified constitution to replace our currently uncodified constitution would result in the creation of a singular enshrined document. It is important to distinguish that...

Answered by Chloe A. • Government and Politics tutor

6714 Views

How is DNA structured?

DNA stands for deoxyribonucleic acid. Two polynucleotide (which means nucleotide polymer) strands are twisted together and form what looks like a ladder - the DNA double helix. These two str...

Answered by Sadie H. • Biology tutor

3048 Views