226 prompts matching "Quiz: Centre of mass, momentum and density reviewed"
Let me explain: The factors that determine the size of the force
I have just studied the factors that determine the size of the force in my SS2 Physics cla
Exam prep: The simple d.c. motor and how it turns
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Real-life Nigeria: Electric motors in Nigerian homes and industry
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Teach me: What a transformer does, and why it is needed
You are my personal SS2 Physics tutor. Teach me what a transformer does, and why it is nee
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
Exam prep: Energy losses in a transformer, and how they are reduced
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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
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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Exam prep: The cloud chamber and the photographic plate as detectors
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Spot my mistake: Background radiation, and allowing for it
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Exam prep: Carbon dating and how it works
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Physics at work: Nuclear energy, its uses and its dangers
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Let me explain: The earth's magnetic field and what causes it
I have just studied the earth's magnetic field and what causes it in my SS2 Physics class.
Practice set: The seasons, and what produces them
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Exam prep: The earth's gravitational field and its effects
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