1,246 prompts matching "Disjoint sets and what they mean"
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Explain Back: The displacement written as x equals a sin omega t
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Spot My Mistake: The time taken to move between two points in simple harmonic motion
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WAEC Prep: The simple pendulum as an example of simple harmonic motion
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Show All Working: A mass on a spring performing simple harmonic motion
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Common Mistakes: The energy of a body in simple harmonic motion
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Final Revision: Showing that a given motion is simple harmonic
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Quiz: The extension of a spring under a given load
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Explain Back: The elastic potential energy stored in a stretched string
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Spot My Mistake: A particle hanging in equilibrium on an elastic string
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WAEC Prep: Two elastic strings supporting one particle
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Show All Working: The work done in stretching an elastic string
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Common Mistakes: A particle oscillating on the end of an elastic string
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Final Revision: The greatest extension reached by a falling particle on an elastic string
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Spot my mistake: Adding the magnitudes of concurrent forces to get the magnitude of their resultant
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Spot my mistake: Treating the rth term of a binomial expansion as the one carrying the rth power
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Spot my mistake: Assuming the normal curve meets the horizontal axis at its points of inflexion
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Spot my mistake: Assuming multiplying a vector by a negative scalar leaves its magnitude negative
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Spot my mistake: Treating any vector with small components as a unit vector
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Spot my mistake: Treating the dot product of two vectors as another vector
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Spot my mistake: Assuming a quadratic with a negative discriminant has no roots at all
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