An alpha particle is fired head-on at a stationary gold nucleus from far away

PHYSICS · Subjective · CBSE · Physics · Atoms · Atoms

Problem

An alpha particle is fired head-on at a stationary gold nucleus from far away. Calculate the initial speed of the particle so that the distance of closest approach is 8.5×10−158.5 \times 10^{-15} m. (Take the mass of the alpha particle to be 6.64×10−276.64 \times 10^{-27} kg.)

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