500 prompts matching "What a transformer does, and why it is needed"
Practice set: The parallelogram law of vector addition
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Spot my mistake: Forgetting to state the direction of a resultant
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Real-life Nigeria: Vectors in describing wind and current
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Quiz: Random, rotational, oscillatory and translational motion
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Spot my mistake: Assuming friction always opposes useful motion
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Let me explain: What the gradient of a motion graph tells you
I have just studied what the gradient of a motion graph tells you in my SS1 Physics class.
Practice set: Finding distance from the area under a graph
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Quiz: Newton's second law and the equation F = ma
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Practice set: Weight as the force of gravity acting on a mass
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Worked example: Calculating the impulse delivered in a collision
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Spot my mistake: Ignoring direction when adding momenta
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Real-life Nigeria: Crumple zones and safety in Nigerian vehicles
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Spot my mistake: Describing energy as being used up
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Spot my mistake: Assuming a machine can be one hundred per cent efficient
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Real-life Nigeria: Simple machines on Nigerian farms and in workshops
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Quiz: The melting point and the boiling point
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Worked example: Calculating the heat needed to boil a mass of water
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Spot my mistake: Assuming evaporation happens only at the boiling point
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Quiz: The expansion of solids, liquids and gases compared
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Real-life Nigeria: Expansion gaps in Nigerian bridges and railways
Act as my SS1 Physics tutor. Show me where expansion gaps in Nigerian bridges and railways