488 prompts matching "How light travels along an optical fibre"
Exam timing: A timed set of questions on force and friction
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Physics at work: Friction and lubrication as engineering concerns
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Practice set: Finding distance from the area under a graph
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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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Real-life Nigeria: Describing a Nigerian bus journey with a motion graph
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Exam prep: Circular motion and the force directed towards the centre
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Spot my mistake: Pairing forces acting on the same body as action and reaction
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Real-life Nigeria: Newton's laws in Nigerian road safety
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Physics at work: Dynamics in vehicle and machine design
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Exam prep: Collisions in one dimension, elastic and inelastic
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Real-life Nigeria: Crumple zones and safety in Nigerian vehicles
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Physics at work: Momentum in sport and in engineering
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Worked example: Calculating the efficiency of an energy transfer
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Real-life Nigeria: Solar energy in Nigerian homes
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Exam timing: A timed set of energy and efficiency questions
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Worked example: Calculating the mechanical advantage of a lever
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Practice set: The pulley system and its velocity ratio
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Exam prep: The inclined plane, the screw, and the wheel and axle
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Spot my mistake: Assuming a machine can be one hundred per cent efficient
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