Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
21 questions answered
Under 5 hours taught
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Hi, I'm Fotios
I am a second year undergraduate student at Imperial College London, studying Materials Science and Engineering. I have experience teaching Maths, Chemistry and Physics to High School students.
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My education
Imperial College London
Materials Science and Engineering - 1st (2017 - now)
American Community Schools of Athens
International Baccalaureate - 41 (2015 - 2017)
My subjects
My availability
7am - 12pm
12pm - 4pm
4pm - 10pm
My answers
Asked by Lauren
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
From a mathematical viewpoint, you just need to work out the volume occupied by each element by dividing the mass by the density i.e: You have 180/9...Learn more
Asked by Jeniffer
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
What we see as a lightning bolt is the sudden discharge of electrical charge that is accumulated in the clouds and the ground as it rains. As water ...Learn more
Asked by Audrey
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The fusion of elements in stars depends on the size and temperature of the star itself. Initially the star is mainly formed of hydrogen, which fuses...Learn more
Asked by Sarah
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
Astronomers use the parallax method because it is one of the most accurate and straightforward ways to measure the distance to stars. Astronomers me...Learn more
Asked by Wenbo
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The short answer is 2e^2. However to reach this solution you need to work a bit. This is a second order ordinary differential equation, which means...Learn more
Asked by Micheal
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The four fundamental interactions are the gravitational, electromagnetic, weak and strong nuclear interactions, although there are some newer modifi...Learn more
Asked by Benjamin
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
This is a functions transformation question. What you need to know to solve this is how the addition or subtraction of a number, either within or ou...Learn more
Asked by Houston
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The easiest way to start solving a question like that is to make a plot of the points. It need not be extremely accurate but it will give you an ide...Learn more
Asked by Shahd
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
Potential energy is the energy stored in a body due to its position or deformation. It is called “potential” energy simply because it has the potent...Learn more
Asked by Max
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
Yes they do. There is a common belief that astronauts do not age in space, or they age much more slowly than people on Earth, and this is true becau...Learn more
Asked by Lau
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The maximum value of this expression is obtained when the cos^2 (θ) function takes its maximum value, which is 1. The cos^2 (θ) function is maximum...Learn more
Asked by Ambar
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
To find the new price as a percentage of the old price, you need to divide the new price by the old price, i.e. 64/40. This gives 1.6, which if you ...Learn more
Asked by Yeeun
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
An inverse proportionality means that the two variables are related in a manner like: P=b/Q^2 or P(Q^2)=b where b is a constant of proportionality. ...Learn more
Asked by Sarah
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The life of a star depends heavily on the size (the mass) of the star. All stars are initially formed by clouds of dust, that come together by force...Learn more
Asked by Ambar
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
Hello Ambar, Algebra, and maths in general, can be quite challenging but there are tricks to get through the difficulties. What works in every ca...Learn more
Asked by Harley
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
You find the area as usual, by using one of the formulas you already know. The only trick here is to use the lengths in square root format and not a...Learn more
Asked by Lauren
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The formula for the area is l•w so your data gives you the exponential equation: 125^(2n) • 25^(n-1) = 625. Notice now that every term in the equa...Learn more
Asked by Emma
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
24=6*4=2*3*4=2^3 *3
Asked by Jeniffer
Science 🔬Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
What we usually think when we hear the word supernova is a massive explosion of a star that can be seen from a large distance because of its huge sc...Learn more
Asked by Nadav
Maths 💯Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
Integration, or anti-differentiation, is one of the two major operations in calculus, the opposite of differentiation. An integral is the mathematic...Learn more
Asked by Kanwal
Chemistry ⚛️Fotios Tsitsos
I love using Mathematics and Science to explain and understand the world.
The process of balancing chemical equations is done so that the law of conservation of mass is obeyed. What you need to do when balancing equations ...Learn more