What is an AC voltage? How much power does an AC power source
Find the equation from which to calculate the resistance of an
infinite network of resistances.
Look at the calculus behind the simple act of a car going over a
Explore displacement/time and velocity/time graphs with this mouse
A ball whooshes down a slide and hits another ball which flies off
the slide horizontally as a projectile. How far does it go?
How fast would you have to throw a ball upwards so that it would
Can you work out the natural time scale for the universe?
A simplified account of special relativity and the twins paradox.
This is the technology section of stemNRICH - Core.
Dip your toe into the world of quantum mechanics by looking at the
Schrodinger equation for hydrogen atoms
Work in groups to try to create the best approximations to these
Find out why water is one of the most amazing compounds in the
universe and why it is essential for life. - UNDER DEVELOPMENT
Get some practice using big and small numbers in chemistry.
How high will a ball taking a million seconds to fall travel?
Gravity on the Moon is about 1/6th that on the Earth. A
pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth.
How high a pole could he clear on the Moon?
Problems which make you think about the kinetic ideas underlying
the ideal gas laws.
Have you got the Mach knack? Discover the mathematics behind
exceeding the sound barrier.
A look at a fluid mechanics technique called the Steady Flow
A look at the fluid mechanics questions that are raised by the
Read all about electromagnetism in our interactive article.
Find out some of the mathematics behind neural networks.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Explore the Lorentz force law for charges moving in different ways.
Where will the spaceman go when he falls through these strange planetary systems?
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
Investigate why the Lennard-Jones potential gives a good
approximate explanation for the behaviour of atoms at close ranges
Investigate some of the issues raised by Geiger and Marsden's
famous scattering experiment in which they fired alpha particles at
a sheet of gold.
Investigate the effects of the half-lifes of the isotopes of cobalt
on the mass of a mystery lump of the element.
See how the motion of the simple pendulum is not-so-simple after
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
Things are roughened up and friction is now added to the
approximate simple pendulum
Explore the power of aeroplanes, spaceships and horses.
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Can you arrange a set of charged particles so that none of them
start to move when released from rest?
An article demonstrating mathematically how various physical
modelling assumptions affect the solution to the seemingly simple
problem of the projectile.
Explore the rates of growth of the sorts of simple polynomials
often used in mathematical modelling.
How does the half-life of a drug affect the build up of medication
in the body over time?
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
Can you match up the entries from this table of units?
Show that even a very powerful spaceship would eventually run out
of overtaking power
Advanced problems in the mathematical sciences.
Which line graph, equations and physical processes go together?
When a mixture of gases burn, will the volume change?
Explore how can changing the axes for a plot of an equation can
lead to different shaped graphs emerging
A look at different crystal lattice structures, and how they relate
to structural properties
A think about the physics of a motorbike riding upside down
Find out how to model a battery mathematically
An article about the kind of maths a first year undergraduate in
physics, engineering and other physical sciences courses might
encounter. The aim is to highlight the link between particular
maths. . . .
Derive an equation which describes satellite dynamics.