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PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics

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chemNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of chemistry, designed to help develop the mathematics required to get the most from your study. . . .

An introduction to a useful tool to check the validity of an equation.

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This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.

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Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.

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. . . .

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Look at the calculus behind the simple act of a car going over a step.

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Can you work out the natural time scale for the universe?

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See how the motion of the simple pendulum is not-so-simple after all.

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Problems which make you think about the kinetic ideas underlying the ideal gas laws.

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engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering

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Explore the Lorentz force law for charges moving in different ways.

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Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.

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Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.

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How does the half-life of a drug affect the build up of medication in the body over time?

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Which line graph, equations and physical processes go together?

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Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

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Estimate these curious quantities sufficiently accurately that you can rank them in order of size

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A look at a fluid mechanics technique called the Steady Flow Momentum Equation.

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When you change the units, do the numbers get bigger or smaller?

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A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.

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Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT

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Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

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Make an accurate diagram of the solar system and explore the concept of a grand conjunction.

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What is an AC voltage? How much power does an AC power source supply?

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Get some practice using big and small numbers in chemistry.

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This is the technology section of stemNRICH - Core.

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Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges

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Work in groups to try to create the best approximations to these physical quantities.

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Ever wondered what it would be like to vaporise a diamond? Find out inside...

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Which units would you choose best to fit these situations?

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Show that even a very powerful spaceship would eventually run out of overtaking power

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Things are roughened up and friction is now added to the approximate simple pendulum

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Work out the numerical values for these physical quantities.

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Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging

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Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms

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A look at different crystal lattice structures, and how they relate to structural properties

Some explanations of basic terms and some phenomena discovered by ancient astronomers

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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.

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Derive an equation which describes satellite dynamics.

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Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991

An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.

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Follow in the steps of Newton and find the path that the earth follows around the sun.

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Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.