Determine how old is the sample of material decays

Assignment Help Electrical Engineering

Reference no: EM13270567

An archaeologist finds the 14C in a sample of 3.0 g of material to be decaying at 107 counts per second. A modern 1.0 g sample of the same material decays at 151 counts per second. The half-life of 14C is 5730 years. How old is the sample?

Reference no: EM13270567

Questions Cloud

What total dose in msv does the patient receive : The isotope's half-life is 5 days. The average energy of the beta particles is 0.35 MeV with an RBE of 1.5. Ninety percent of the beta particles are absorbed within the patient's body and 10% escape. What total dose (in mSv) does the patient recei..

What is working capital management : What is working capital management? How can a firm improve its management of its working capital accounts?

Explain rainwater in equilibrium with the atmosphere : Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v

At what angle will the fishline break : A 1.90 kg ball is attached to the bottom end of a length of fishline with a breaking strength of 10 lb (44.5 N). At what angle (measured from the vertical) will the fishline break

Determine how old is the sample of material decays : An archaeologist finds the 14C in a sample of 3.0 g of material to be decaying at 107 counts per second. A modern 1.0 g sample of the same material decays at 151 counts per second. The half-life of 14C is 5730 years

State what is the ph of rainwater in equilibrium : Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v

What would the risk-free rate have to be : Stock Y has a beta of 1.25 and an expected return of 12.6 percent. Stock Z has a beta of .8 and an expected return of 9.9 percent. Required: What would the risk-free rate have to be for the two stocks to be correctly priced relative to each other?

How much energy is released by the nuclear reactions : A summary of the nuclear reactions that power our sun can be written as 4p 4He + 2e-, with masses of 938.272 MeV/c2 for p, 3727.38 MeV/c2 for helium, and 0.511 MeV/c2 for electrons.

Evaluate the ph of the bottled water : One company introduces carbonate by bubbling carbon dioxide into water until CT=10-3 M (equivalent to adding "H2CO3*" until CT = 1 x 10-3 M), a second adds sodium bicarbonate (NaHCO3) until CT = 10-3 M, and a third adds sodium carbonate until CT=1..

User Account

All Pages