457 prompts matching "Explaining a convection effect as conduction"
Physics at work: Motion measurement in vehicle safety testing
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Practice set: Weight as the force of gravity acting on a mass
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Spot my mistake: Pairing forces acting on the same body as action and reaction
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Exam prep: Collisions in one dimension, elastic and inelastic
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Spot my mistake: Describing energy as being used up
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Quiz: What mechanical advantage, velocity ratio and efficiency each measure
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Let me explain: The lever and its three classes
I have just studied the lever and its three classes in my SS1 Physics class. Let me explai
Spot my mistake: Assuming a machine can be one hundred per cent efficient
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Physics at work: Machine design and maintenance as work
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Spot my mistake: Assuming evaporation happens only at the boiling point
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Physics at work: Refrigeration and air conditioning as trades
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Quiz: The expansion of solids, liquids and gases compared
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Quiz: Measuring the density of a solid and of a liquid
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Practice set: The hydraulic press, and the principle Pascal gave it
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Spot my mistake: Assuming pressure depends on the volume of liquid
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Physics at work: Optics as a field of work
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Teach me: Why light changes direction when it passes between media
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Let me explain: Refractive index and how it is measured
I have just studied refractive index and how it is measured in my SS1 Physics class. Let m
Quiz: Electric current and the unit in which it is measured
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Spot my mistake: Treating a non-ohmic conductor as though it obeyed Ohm's law
Act as my SS1 Physics tutor. Show me a worked solution on treating a non-ohmic conductor a