How old is the bone sample in years
In a living organism, the decay of C-14 produces 15.3 disintegrations per minute per gram of carbon. The half-life of C-14 is 5730 years. A 3.4 g sample of bone has 33.3 disintegrations per minute. How old is the bone sample in years?
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The half-life of C-14 is 5730 years. A 3.4 g sample of bone has 33.3 disintegrations per minute. How old is the bone sample in years?
A frictionless pulley with zero mass is attached to the ceiling, in a gravity field of 9.80 m/s2. Mass M2=0.100 kg is being accelerated downward with a=1.10 m/s2. Calculate the mass m1
How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water
An n-p-n transistor has impurity concentrations of 2x10^20 cm-3 in the emitter, 1x10^18 cm -3 in the base and 2x10^16 cm-3 in the collector. Assume the metallurgical base width is 150nm and the metallurgical emitter width is 200nm. The minorit
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