Jaisul Naik

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OCR GCSE Physics Notes | P2

* Scalar: magnitude e.g. mass, energy, speed, distance. * Vector: magnitude and direction e.g. force, velocity, displacement. * Average speed = distance travelled/ time taken. * Acceleration = change in velocity/ time taken. * F=ma * W=mg
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OCR GCSE Physics Notes | P3

* Q = It * Q: charge (C) * I: current (A) * t: time (s) * Current is the rate of flow of charge. * Charge is a property of all matter and that there are positive and negative
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GCSE Maths | Quadratics

Factorising easy quadratics * a2 - b2 = (a+b)(a-b) Difference between two squares Difference between two squares Factorising harder quadratics Completing the square Using the quadratic formula Quadratic inequalities