500 prompts matching "The efficiency of a transformer"
Exam prep: The three equations of motion, and when to use each
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Spot my mistake: Using an equation of motion with the wrong sign for deceleration
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Practice set: Weight as the force of gravity acting on a mass
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Quiz: The unit of momentum and its direction
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Practice set: The principle of conservation of linear momentum
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Let me explain: Energy transfer and the conservation of energy
I have just studied energy transfer and the conservation of energy in my SS1 Physics class
Exam prep: The environmental effects of different energy sources
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Worked example: Calculating the mechanical advantage of a lever
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Worked example: Calculating the heat needed to boil a mass of water
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Exam prep: The factors affecting the rate of evaporation
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Quiz: The expansion of solids, liquids and gases compared
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Worked example: Calculating the increase in length of a heated rod
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Exam prep: The anomalous behaviour of water between zero and four degrees
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Worked example: Explaining the heating of a room by convection
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Teach me: What the centre of gravity is
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Quiz: Locating the centre of gravity of a regular body
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Let me explain: Finding the centre of gravity of an irregular lamina
I have just studied finding the centre of gravity of an irregular lamina in my SS1 Physics
Worked example: A balancing problem solved using the centre of gravity
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Spot my mistake: Confusing the centre of gravity with the centre of a shape
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Quiz: Measuring the density of a solid and of a liquid
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