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Mark S.

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Degree: Particle Physics (Doctorate) - Manchester University

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About me

My name is Mark and I am a PhD student at the University of Manchester studying particle physics. Before coming here I completed my undergraduate degree in physics at Oxford. During the course of my PhD I have been involved in some public engagement activities that has given me an appetite for sharing my knowledge and making people as enthusiastic about science as I am.

 

I would like those I tutor to gain a good understanding of the material so that they can deal with any question in an exam. I would potentially go a little beyond the syllabus to give a broader overview. In particular I like to show how the material you learn in school is used in the real world.

 

If there is any topic you would particularly like help with or some exam questions you would like to go over then just let me know and I can prepare a lesson accordingly.

Subjects offered

SubjectLevelMy prices
Further Mathematics A Level £24 /hr
Maths A Level £24 /hr
Physics A Level £24 /hr
Maths GCSE £22 /hr
Physics GCSE £22 /hr
.MAT. Uni Admissions Test £26 /hr

Qualifications

QualificationLevelGrade
PhysicsMasters Degree1st
Further MathsA-LevelA
MathsA-LevelA
PhysicsA-LevelA
MusicA-LevelB
Disclosure and Barring Service

CRB/DBS Standard

No

CRB/DBS Enhanced

No

Currently unavailable: for new students

Ratings and reviews

5from 54 customer reviews

Matt (Student) June 9 2016

Good and precise explanations.

Matthew (Student) April 19 2016

Great as always! Ensured that I had a full understanding, and he gave me some practice questions to work with.

Tom (Student) May 10 2016

Great tutorial. Went through some past paper questions and some topics I wasn't sure on.

Paul (Parent) April 26 2016

Very good
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Questions Mark has answered

How big a magnetic field does the LHC require to contain its protons?

In the LHC protons are accelerated to almost the speed of light. They are contained in the circular accelerator by the 1232 superconducting dipole magnets. How strong does the magentic field need to be? If the LHC is at its maximum design energy, the protons have an energy of 7TeV. One eV (el...

In the LHC protons are accelerated to almost the speed of light. They are contained in the circular accelerator by the 1232 superconducting dipole magnets. How strong does the magentic field need to be?

If the LHC is at its maximum design energy, the protons have an energy of 7TeV. One eV (electron volt) is the energy gained by moving one unit of charge (protons and electrons have one charge unit q) through a potential of 1 Volt.

 

From AS level electromagnetism we know that the force on a charged particle with velocity v in a magnetic field B is

F = q v x B

and the magnitude of the force required to keep an object of mass m in a circlular path with velocity v is

F = m v2 / r

Equating the two (assuming the velocity and magnetic field are perpendicular) and multiplying both sides by m give

m2 v2 / r = q m v B

so

mv / q r = B 

In relativity  E2 = p2 c2 - m2 , but the particle is travelling super relativistically so p2 >> m2 so E is approximately pc (and p = mv) in this case so

E / q r c = B

The energy E in Joules is q x 7TeV. There are 1232 magnets each of length 15m

B = 7 x 1012 x 2 x pi / 1232 x 15 x c

B =  8T

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2 years ago

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