Physics

Problem

A radionucleide of

^{32}\text{P}

with half-life 14.3 day are produced in a nuclear reactor at a constant rate,

q = 2.7 \times 10^9 \text{ nuclei per second}

. How soon after the beginning of production of that nucleide will its activity be equal to

1.7 \times 10^9 \text{ dis/s}