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# Joseph John Fernandez

## I love maths and physics, but I love helping people understand them even more!

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### Answers

View allAsked by Lauren

Maths π―#### Given the following set of numbers: 5,5,6,6,6,6,8,9,10,10,23 23 is an exa...

From a statistical point of view I would suggest it is an outlier. If the numbers are data points, then they are well bunched around the range of 5-...

Asked by Somersby

General π#### How do you find how many black balls there are using the experimental probability and the total numb...

The only way to know the total number of balls is to have them counted or have that information given to you. Lets call this number N. You can find ...

Asked by Amy

General π#### Laura thinks that a triangle cannot have two obtuse angles.Do you agree? Explain your answer?

Obtuse angle -> larger than 90Β° Sum of all three angles -> 180Β° Can you get the answer from that?

Asked by Audrey

Physics π#### How does electromagnetic energy generated from the center of the sun reach the Earth?

The short answer is that it travels from the centre to the photosphere, where it escapes and propagates to the vauum of space to Earth. The trip fro...

Asked by Jeniffer

General π#### Why is the temperature of the cosmic background radiation not perfectly isotropic?

Bear with me, as this isn't an easy one to answer. The early Universe was dense very, very hot. So hot in fact that atoms couldn't form. Instead the...

### About

I am a theoretical astrophysicist currently PhD studies at LJMU. I have a passion for maths and physics, and find happiness in teaching these topics. I spent most of my life on the beautiful island of Tenerife, with my family. My research at LJMU covers different topics gravitational wave astronomy. I am also a tutor on the Brilliant Club's scholars programme (which aims to improve University participation in underpriviliged schools) and a teaching assistant in undergraduate labs at the University of Liverpool.

### Education

#### Liverpool John Moores University

PhD Astrophysics

2017 - Now

I am very lucky to pursue my PhD studies supported by a scholarship from LJMU. The aim of my project, "Compact stellar mergers: the origin and electromagnetic counterpart of gravitational waves" is to study different aspects of gravitational wave physics.

#### Universidad de La Laguna

Bsc Physics - 1st

2011 - 2015

Degree studied in Tenerife, Spain. Also included an ERASMUS exchange year at Imperial College London

#### Universidad de La Laguna

Msc Astrophysics - 1st

2015 - 2017

Specialized in theoretical-computational astrophysics

### All answers

Asked by Lauren

Maths π―#### Given the following set of numbers: 5,5,6,6,6,6,8,9,10,10,23 23 is an exa...

From a statistical point of view I would suggest it is an outlier. If the numbers are data points, then they are well bunched around the range of 5-...

Asked by Somersby

General π#### How do you find how many black balls there are using the experimental probability and the total numb...

The only way to know the total number of balls is to have them counted or have that information given to you. Lets call this number N. You can find ...

Asked by Amy

General π#### Laura thinks that a triangle cannot have two obtuse angles.Do you agree? Explain your answer?

Obtuse angle -> larger than 90Β° Sum of all three angles -> 180Β° Can you get the answer from that?

Asked by Audrey

Physics π#### How does electromagnetic energy generated from the center of the sun reach the Earth?

The short answer is that it travels from the centre to the photosphere, where it escapes and propagates to the vauum of space to Earth. The trip fro...

Asked by Jeniffer

General π#### Why is the temperature of the cosmic background radiation not perfectly isotropic?

Bear with me, as this isn't an easy one to answer. The early Universe was dense very, very hot. So hot in fact that atoms couldn't form. Instead the...

Asked by Amy

General π#### Is the largest angle in a triangle a right angle? Explain your answer?

The sum of all three angles in a triangle is 180Β°. So if the triangle has a right angle then it is the largest angle, as the sum of the other two mu...

Asked by Omar

General π#### What is the easily to learn simultaneous equation in math?

Practice! There are three main different methods you would learn at high school level, but the key is lots of practice (as with all of school maths)...

Asked by Samm

General π#### Explain the relationship between physics and technology?

Physics explains and describes natural phenomena. It tells us how different parts of nature work and react to different situations. Technology helps...

Asked by Nawal

Geography πΊ#### Explain why we should stop global warming?

Life on the Earth evolved over millions of years by a process of natural selection. Living beings existing today are optimized to live under the con...

Asked by Ella

General π#### How do you solve simultaneous equations?

There are three methods: by substitution, by elimination or graphically. The first two are different ways to do the same thing: eliminate one of the...

Asked by Kochava

General π#### What is the LCD of 5/22-1/33?

If by LCD you mean the lowest common denominator of 5/22 and 1/33, it is 66. 22 and 33 share the fact that they are multiples of 11, 22=2x11, 33=3x1...

Asked by Tiffany

General π#### What is photosynthesis?

Just adding onto that. This is how plants obtain what we know as chemical energy to fuel their other activities, like growth....

Asked by Tiffany

General π#### What is photosynthesis?

In short, it is a process my which plants and other organisms synthesise carbohydrates like sugar from energy from light, water and carbon dioxide. ...

Asked by Larissa

General π#### Why is the sky blue?

Due to Rayleigh scattering. When sunlight enters the atmosphere it encounters small air molecules. In summary, when light encounters the particles i...

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