Key Equations
Nuclear & Particle Physics - OCR A-Level Physics
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$$r = r_0 A^{1/3}$$
$$E = \Delta m \cdot c^2$$
$$N = N_0 e^{-\lambda t}$$
$$t_{1/2} = \frac{\ln 2}{\lambda}$$
$$A = \lambda N$$
$$\frac{1}{2}mv^2 = \frac{Qq}{4\pi\epsilon_0 r}$$