1,334 prompts matching "Finding an unknown exponent in an equation"
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Learn: What an unclosed polygon of forces tells you
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WAEC Prep: Why friction is called a self-adjusting force
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WAEC Prep: The moment of a weight about a hinge
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Worked Example: The moment of a force about a point on its own line of action
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WAEC Prep: The resultant moment of a couple and a force together
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WAEC Prep: The moment of two equal and opposite parallel forces
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WAEC Prep: The total moment of two forces about the same point
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WAEC Prep: The triangle of forces and concurrence taken together
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WAEC Prep: Why three non-parallel forces in equilibrium must be concurrent
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WAEC Prep: A knot held in equilibrium by three strings
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Practice: Resolving three forces in two perpendicular directions
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WAEC Prep: Lami's theorem derived from the triangle of forces
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Spot My Mistake: When Lami's theorem may be used, and when it may not
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WAEC Prep: The variance of a discrete random variable
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WAEC Prep: A random variable, and the values it may take
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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Learn: The expectation of a discrete random variable
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WAEC Prep: The probabilities of nought, one and two successes read off an expansion
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the probabilities