500 prompts matching "Exam prep: Current in a metallic conductor and in an electrolyte"
Physics at work: Where vector work is used in Nigerian engineering
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Quiz: Random, rotational, oscillatory and translational motion
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Practice set: Friction and the factors that affect it
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Quiz: Uniform velocity and uniform acceleration
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Worked example: Finding acceleration from a velocity-time graph
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Practice set: Finding distance from the area under a graph
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Spot my mistake: Using an equation of motion with the wrong sign for deceleration
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Quiz: Newton's second law and the equation F = ma
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Worked example: Calculating the acceleration produced by a given force
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Quiz: The unit of momentum and its direction
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Worked example: Calculating the impulse delivered in a collision
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Quiz: Nigeria's energy resources and how each is used
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Practice set: Sankey diagrams and how to read them
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Quiz: What mechanical advantage, velocity ratio and efficiency each measure
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Practice set: The pulley system and its velocity ratio
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Spot my mistake: Assuming a machine can be one hundred per cent efficient
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Worked example: Calculating the heat needed to boil a mass of water
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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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Practice set: Cubic expansivity and superficial expansivity
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