500 prompts matching "Let me explain: Why no machine reaches one hundred per cent efficiency"
Exam timing: A timed set of energy conversion problems
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Exam timing: A timed set of gas law calculations
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Exam timing: A timed set of questions on wave behaviour
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Exam timing: A timed set of projectile calculations
Act as my SS1 Physics tutor. Set me a timed run of questions on a timed set of projectile
Worked example: Reading a vernier scale correctly
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Spot my mistake: Parallax error, and how to avoid it
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Worked example: Calculating average speed over a journey
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Spot my mistake: Confusing the gradient with the area on a motion graph
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Worked example: Calculating the resultant of two forces
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Spot my mistake: Treating centrifugal force as though it were a real force
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Worked example: Adding two vectors by the parallelogram rule
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Spot my mistake: Adding vectors as though they were scalars
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Spot my mistake: Confusing power with energy
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Worked example: Calculating gravitational potential energy
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Spot my mistake: Forgetting to square the velocity in a kinetic energy calculation
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Worked example: Scalars and vectors reviewed
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Spot my mistake: The errors most often made in first-term SS1 Physics
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Worked example: Calculating the heat needed to raise a temperature
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Spot my mistake: Confusing heat capacity with specific heat capacity
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Spot my mistake: Using the wrong expansivity in a calculation
Act as my SS1 Physics tutor. Show me a worked solution on using the wrong expansivity in a