A Nuclear Reactor Periodically Emits Radioactive Isotopes That Travel Outward

question 64

Multiple Choice

A nuclear reactor periodically emits radioactive isotopes that travel outward at a speed of 1.0 km/s. If these isotopes have a half-life of 12 ms, what is the average distance they travel before decaying?

• A) 12 μm
• B) 12 m
• C) 17 m
• D) 1.0 km
• E) 83 km

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