1,019 prompts matching "A set closed under one operation but not another"
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WAEC Prep: The closest approach of two moving ships
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Common Mistakes: The relative displacement of two bodies after a given time
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Quiz: The tension in the string joining two connected particles
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Spot My Mistake: Two particles on a pulley at the top of an inclined plane
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WAEC Prep: A car towing a trailer, and the force in the tow bar
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Show All Working: A lift, and the person standing in it
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Common Mistakes: What becomes of the tension when the string goes slack
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Quiz: The acceleration of a body sliding down a smooth incline
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Spot My Mistake: The least force needed to move a body up a rough incline
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WAEC Prep: Limiting equilibrium, with a body on the point of sliding
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Show All Working: The angle at which a body just begins to slide
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Final Revision: The speed of a body when it reaches the foot of an incline
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Quiz: The centripetal force, and what supplies it in a given situation
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Spot My Mistake: A body on the end of a string moving in a horizontal circle
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WAEC Prep: The conical pendulum
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Show All Working: A body in a vertical circle, and the tension at the top
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Common Mistakes: The condition for a body to complete a vertical circle
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Final Revision: The period and the frequency of circular motion
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Quiz: The velocity of a body in simple harmonic motion at a given displacement
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Spot My Mistake: The time taken to move between two points in simple harmonic motion
Act as my SS3 Further Mathematics tutor. Work a question on the time taken to move between