250 prompts matching "What the centre of mass is"
Worked example: Calculating the gravitational force between two masses
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Real-life Nigeria: The electromagnet and the uses it is put to
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Worked example: The molecular theory of matter reviewed
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Practice set: The effects of an electric current
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Practice set: Internal resistance and the lost volts
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Real-life Nigeria: The maintenance and charging of a car battery
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Exam prep: Electrical energy, power and the cost of consumption
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Spot my mistake: Overloading a socket, and what follows from it
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Practice set: The factors affecting the size of an induced e.m.f.
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Worked example: Electrical safety and the cost of energy reviewed
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Exam prep: The magnetic effect of an electric current reviewed
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Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Quiz: The structure of a transformer and its two coils
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Practice set: The efficiency of a transformer
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Quiz: The Rutherford scattering experiment and what it showed
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Exam prep: The models of the atom compared, from Thomson to Bohr
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Spot my mistake: Confusing atomic number with mass number
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Real-life Nigeria: The nucleus as the source of nuclear energy
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Practice set: The decay constant and the activity of a source
Act as my SS2 Physics tutor. Give me five practice questions on the decay constant and the