Engineering, 14.12.2019 05:31, dannyhouseman55

What thickness of lead will allow only one γ in 106 to penetrate (use equation rx=r0e−nσx where r0 is the rate at wich incident particles strike the front of the target, and rx is the rate at a distance x into the target. rx=r0 at x=0)? express your answer to two significant figures and include the appropriate units.

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What thickness of lead will allow only one γ in 106 to penetrate (use equation rx=r0e−nσx where r0 i...