Keywords

distance, displacement, speed, velocity, instantaneous velocity, constant velocity , uniform acceleration, free body diagrams, centre of gravity, principle of moments, momentum, work , power, kinetic energy, gravitational potential energy, projectile, base units, base quantities, uniform velocity, density, contact force, vector, scalar, impulse,  principle of the conservation of energy, newton's laws

background radiation, alpha particles , beta particles, gamma radiation, radioactivity, radiation, exponential decay, decay constant , half-life, nucleons, protons, neutrons, elastic scattering, deep inelastic scattering, ionised, nucleus, nuclei, electrons, fast moving electrons

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