Basic page

PhysNRICH



stemNRICH : Science, Technology, Engineering, Mathematics enriched
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Welcome to physNRICH: the physics section of stemNRICH. This contains mathematical activities for students aged 14 - 19 designed to complement and enhance the study of physics.


Area of maths Style Question Description
General
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Big and Small Numbers in Physics Work out estimates of the numerical values for these physical quantities.
Dynamics See also the Dynamics problems on the engNRICH pages
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Speedo Track the motion of this dangerous driver.
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Dangerous Driver Analyse the dynamics to determine if this speeding ticket was issued in error.
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The Not-so-simple Pendulum 1 See how the motion of the simple pendulum is not-so-simple after all.
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The Not-so-simple Pendulum 2 Friction is now added to the approximate simple pendulum, leading to a more realistic solution.
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Motorbike Momentum Look at the dynamics of the sphere of death and see the results in action on the video.
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Whoosh A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?
Gravitation
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Cannon Balls How high will a ball taking a million seconds to fall travel?
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Gravity Paths Where will the spaceman go when he falls through these strange planetary systems?
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Escape from Planet Earth How fast would you have to throw a ball upwards so that it would never land?
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Earth Orbit Follow in the steps of Newton and find the path that the earth follows around the sun.
Units in physics
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Universal Time, Length, Mass Can you work out the natural time scale for the universe?
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New Units for Old Give yourself an in-depth units workout by matching up these physical phenomena with their dimensions and standard units.
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Levels of Bohr Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Power, work and energy in physics See also the Power, Work and Energy problems on the engNRICH pages
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Lunar Leaper How high could you pole-vault on the moon?
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Go, Spaceship, Go! Show that even this powerful spaceship will eventually run out of overtaking power.
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Sweeping Satellite Look at kinetic and potential energies of a planet to find out about the moment of momentum.
Atoms and particles
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Explore the energy of this incredibly energetic particle.
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Striking Gold 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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Cobalt Decay Investigate the effects of the half-lives of the isotopes of cobalt on the mass of a mystery lump of the element.
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Pack Man Work out the best packing structure to maximise the density of a metal.
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Lennard Jones Potential Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges.
Electricity See also the Electrical Engineering problems on the engNRICH pages
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Resistance How would the resistance build up in an infinite network of resistors?
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Pumping the Power Look at how the power in a lightbulb varies over time.
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Can you arrange a set of charged particles so that none of them starts to move when released from rest?
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Explore the Lorentz force law for charges moving in different ways.
Fluids
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Keep Your Momentum Going Find out about the steady flow momentum equation of fluid dynamics.
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Moving Stonehenge Explore the transportation by river of the blocks used to make Stonehenge
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Poiseuille's Equation Look at the flow of fluids down circular pipes.
Gas laws See also the Gases problems on the chemNRICH pages
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Various problems which make you think about the kinetic ideas underlying the ideal gas laws.
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Explore how changing the axes for a plot of the gas law equations can lead to different shaped graphs emerging.
Waves and oscillations      
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Mach Attack Look at the wavefronts produced by aricraft as they approach and go beyond Mach 1.
Advanced mathematics in physics
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The Real Hydrogen Atom Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms.
Articles
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Modelling Assumptions in Mechanics This advanced article demonstrates mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
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The Power of Dimensional Analysis Read about this very useful concept and view physical equations in a different light.
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Electromagnetism Find out how Ohm's law develops and find a fundamental link to complex numbers along the way.
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Which Twin is Older? A simplified account of special relativity and the twin paradox.