501 prompts matching "Physics at work: Friction and lubrication as engineering concerns"
Let me explain: How electrons are accelerated and focused in a tube
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Worked example: The kinetic energy gained across a stated accelerating voltage
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Let me explain: Mass defect and binding energy
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Real-life Nigeria: Nuclear power and the debate about it in Nigeria
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Let me explain: Hard and soft X-rays and what determines each
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Worked example: The minimum wavelength from a stated tube voltage
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Teach me: The quantities an a.c. calculation asks you to track
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Worked example: A full RLC calculation worked line by line
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Quiz: Solar, wind and hydro as renewable sources
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Real-life Nigeria: Solar power in Nigerian homes and the national grid
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Exam timing: A timed mixed paper on electronics, nuclear physics and energy sources
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Let me explain: Random and systematic errors distinguished
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Worked example: Calculating percentage error from repeated readings
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Real-life Nigeria: Measurement accuracy in a Nigerian workshop
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Quiz: Latent heat of fusion and of vaporisation
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Worked example: A calorimetry problem including a change of state
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Exam timing: A timed heat and thermodynamics section
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Real-life Nigeria: Echo and reverberation in a Nigerian hall
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Quiz: Alpha, beta and gamma radiation compared
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Worked example: A half-life calculation over several periods
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