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Gwyneth Cooper

Terminal velocity of a skydiver - 1 views

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    Applet demonstrating terminal velocity
Gwyneth Cooper

Physics Study Guides - SparkNotes - 0 views

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    Notes on all sorts of physics topics
Gwyneth Cooper

Moment of Inertia - 0 views

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    Rotational and translational motion. Table of equivalances
Gwyneth Cooper

Physics For Beginners: Equation Solver - 0 views

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    Explains how to solve simple equations
Gwyneth Cooper

YouTube - What is the conservation of angular momentum? - 0 views

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    Explanation of the conservation of angular momentum
Gwyneth Cooper

HowStuffWorks "How Yo-Yos Work" - 0 views

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    All about yo-yos - good site for angular momentum explanation
Gwyneth Cooper

The Open Door Web Site : IB Physics Home Page - 1 views

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    The index page to notes on each of the topics in the IB physics curriculum
Gwyneth Cooper

The Open Door Web Site : IB Physics : Questions : Index - 0 views

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    Index of questions, mostly calculation, from the IB curriculum
Gwyneth Cooper

The Undamped and Undriven Pendulum - 0 views

  • How does it depend on the length of the pendulum, the accelaration of gravity, and the amplitude of oscillation?
    • Gwyneth Cooper
       
      1. For your chosen values, use the formula to find T. Check that it's correct using the stopwatch. 2. You take the pendulum, with the same length, to Jupiter, where the acceleration due to gravity is much stronger. What will happen to the period? What would happen if you went to the moon, where the gravitational acceleration is lower? 3. Explain, with the use of diagrams, why the restoring force is proportional to the displacement from the equilibrium
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    Applet on the motion of a pendulum
Gwyneth Cooper

Applet: Doppler Effect - 0 views

  • Let go of the mouse, and your source will move across the scrren, emitting waves.
    • Gwyneth Cooper
       
      When an object travels at or faster than the speed of sound, it emits a sonic boom. Explain, with the add of the applet, what causes this sonic boom
  • An arrow representing the source velocity vector will appear
    • Gwyneth Cooper
       
      A sound wave travels through the air at 330m/s. If the object is moving towards the observer at a speed of 250m/s, emitting a sound of f=25kHz, find the frequency heard by the observer.
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    Investigate the effect of different velocity ratios on the Doppler effect
Gwyneth Cooper

PhysicsLAB: Kirchhoff's Laws: Analyzing Circuits with Two or More Batteries - 0 views

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    Explanation of how to analyse series and parallel circuits using Kirchoff's laws
Gwyneth Cooper

Kirchoff's laws - 0 views

  • The voltages around a closed path in a circuit must sum to zero. (Kirchoff's law #1), the voltage drops being negative (following a current through a resistor), while the gains are positive (going through a battery from the negative to the positive terminal). The sum of the currents entering a node must equal the sum of the currents exiting a node. (Kirchoff's Law #2)
    • Gwyneth Cooper
       
      Using these rules, describe how current and voltage are shared in series and parallel circuits
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    The first in a series of useful pages of notes about Kirchoff's laws
Gwyneth Cooper

Particle or wave Y13 presentation - Google Docs - 0 views

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    Presentation made by the Y13 physics class to explore wave-particle duality
Gwyneth Cooper

Hi! - 16 views

It depends. I may hand out certificates for an insult-free lesson, or I might have fruit. We can negotiate a list of possible treats. yoda . wrote: > what are the treats?? > > Gwyneth Atschool wr...

welcome

Gwyneth Cooper

Wave-Particle Duality - 0 views

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    Simple description of the experiments that led to the idea of wave-particle duality, and a simple explanation
Gwyneth Cooper

The Photoelectric Effect - 0 views

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    Step by step notes through the photoelectric effect
Gwyneth Cooper

PhysicsLAB: Famous Experiments: Davisson-Germer - 0 views

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    Description of an experiment in which electrons behave as waves
Gwyneth Cooper

Photoelectric effect Applet - 0 views

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    An applet demonstrating the photoelectric effect
Gwyneth Cooper

Spectral Lines - 0 views

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    Introduction to atomic line spectra and the Bohr model of the atom
Gwyneth Cooper

Nuclear Reactions - 0 views

  •    Radon Poisoning Uranium in earth's crust decays to radium, which decays to radon.Radon is an odorless, tasteless, lighter-than-air gas which rises from the ground through cracksand fissures in the earth intohomes. When breathed, the alpha-emitting radon can cause cancer of the lung.Radon is the single greatestsource of radiations for humans, providing about 200 milli-remsper year per person.
    • Gwyneth Cooper
       
      Write the nuclear reaction for each step of the decay from 238U to 206Pb
  • Transmuting Uranium to Neptunium   Neutron enters nucleus and is transformed into a proton  and an electron (which leaves the nucleus).
    • Gwyneth Cooper
       
      Locate and explain the mistake in this diagram of a nucelar reaction
  • Cadmium Control Rods Absorb Neutrons Enrico Fermisupervised construction of theworld's first nuclearreactor.
    • Gwyneth Cooper
       
      Write the nucelar reaction for the neutron absorbtion of Cd
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    A reference site with some useful diagrams and information
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