A radioactive substance decays according to the equation N = 105 e SIA where N is the number of milligrams remaining after t hours. How long will it take for only 30 milligrams of th substance to remain?

Q: Thorium-228 is a radioactive substance that decays 50% every 1.9 years. How much of a 50 gram sample…

A: Given query is to find the amount remaining after 22.8 years.

Q: The amount of radioactive substance after t years is modeled using A=Cekt. a one kilogram sample has…

A:

Q: A wooden artifact from an archaeological dig contains 70 percent of the Carbon-14 that is present in…

A:

Q: Carbon-14 is used for archaeological carbon dating. Its half-life is 5,730 years. How many grams of…

A: Half life of Carbon-14 = 5,730 yearsInitial amount of sample = 700 grams

Q: A wooden artifact from an ancient tomb contains 65% of the carbon-14 that is present in living…

A: the radioactive decay equation is  given by m=m0e-ln2t't where t' is the half life. the tomb…

Q: Carmen works in a laboratory that uses radioactive substances. The laboratory received a shipment of…

A: Given that a radio active substance, radon was initially 300g after 16 days remaining amount is…

Q: A radioactive substance decays according to A = 85.6(10-0.015t) where t is the number of hours. How…

A:

Q: The half-life of radioactive radium (226Ra) is 1599 years. What percent of a present amount of…

A:

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.