500 prompts matching "An echo calculation that forgets the return journey"
Quiz: What mechanical advantage, velocity ratio and efficiency each measure
Act as my SS1 Physics tutor and quiz me on what mechanical advantage, velocity ratio and e
Spot my mistake: Assuming a machine can be one hundred per cent efficient
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Let me explain: Latent heat, and why temperature stays constant during a change of state
I have just studied latent heat, and why temperature stays constant during a change of sta
Worked example: Calculating the heat needed to boil a mass of water
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Practice set: Evaporation, and how it differs from boiling
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Exam prep: The factors affecting the rate of evaporation
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Spot my mistake: Assuming evaporation happens only at the boiling point
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Teach me: Why matter expands when it is heated
You are my personal SS1 Physics tutor. Teach me why matter expands when it is heated, usin
Let me explain: Linear expansivity and its definition
I have just studied linear expansivity and its definition in my SS1 Physics class. Let me
Worked example: Calculating the increase in length of a heated rod
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Practice set: Cubic expansivity and superficial expansivity
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Exam timing: A timed set of expansion problems
Act as my SS1 Physics tutor. Set me a timed run of questions on a timed set of expansion p
Teach me: The three ways in which thermal energy travels
You are my personal SS1 Physics tutor. Teach me the three ways in which thermal energy tra
Worked example: Explaining the heating of a room by convection
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Exam prep: Conduction, convection and radiation compared
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Exam timing: A timed set of heat transfer questions
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Teach me: What the centre of gravity is
You are my personal SS1 Physics tutor. Teach me what the centre of gravity is, using a rea
Quiz: Locating the centre of gravity of a regular body
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Practice set: Stable, unstable and neutral equilibrium
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Spot my mistake: Confusing the centre of gravity with the centre of a shape
Act as my SS1 Physics tutor. Show me a worked solution on confusing the centre of gravity