226 prompts matching "Quiz: Newton's third law applied to rocket propulsion"
Let me explain: Step-up and step-down transformers
I have just studied step-up and step-down transformers in my SS2 Physics class. Let me exp
Worked example: Calculating output voltage from the turns ratio
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Practice set: The efficiency of a transformer
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Spot my mistake: Assuming a transformer can work on direct current
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Real-life Nigeria: Transformers in Nigeria's power transmission network
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Physics at work: Why electricity is transmitted at high voltage
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Practice set: The Bohr model and electron energy levels
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Real-life Nigeria: The nucleus as the source of nuclear energy
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Teach me: What radioactivity is, and why some nuclei are unstable
You are my personal SS2 Physics tutor. Teach me what radioactivity is, and why some nuclei
Let me explain: The penetrating and ionising power of each radiation
I have just studied the penetrating and ionising power of each radiation in my SS2 Physics
Worked example: Writing an equation for alpha decay and for beta decay
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Practice set: The Geiger-Muller tube and how it detects radiation
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Spot my mistake: Background radiation, and allowing for it
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Teach me: What half-life means
You are my personal SS2 Physics tutor. Teach me what half-life means, using a real Nigeria
Let me explain: The random nature of radioactive decay
I have just studied the random nature of radioactive decay in my SS2 Physics class. Let me
Worked example: Calculating the mass remaining after a number of half-lives
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Practice set: The decay constant and the activity of a source
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Spot my mistake: Assuming a sample decays completely after two half-lives
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Physics at work: Nuclear energy, its uses and its dangers
Act as my SS2 Physics tutor. Explain which Nigerian jobs and industries depend on nuclear