Author Archives: justin

Exam time 2021

Download the notes. Download the videos.

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Understanding Light and Why it exists.

A thorough breakdown on the process’ that produce light and lights existence and behavior in nature.

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Professor Dave Explains: The Heisenberg Uncertainty Principle

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Professor Dave: Quantization of Energy

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Professor Dave: Quantum Mechanics of the Electron

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Professor Dave Explains – The Double-Slit Experiment

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Fire in ZERO-G!!

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How Do Satellites Get & Stay in Orbit?

SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there — at least for a while.

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Gravitational energy vs height

Open the embedded graph to change the value of h and calculate the gravitational potential energy / kg at different heights. Can you estimate the kinetic energy needed to escape the Earth’s gravitational field?

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Gravitational field strength graph

Investigate the value of g (m/s2) varying with distance (km) from the centre of the Earth.

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