A certain radioactive material is known to decay at a rate proportional to the present amount. If initially 50 mg of the material is present and after two hours it is observed that the material has lost 10 percent of its original mass, determine the mass of the material after 4 hours

Q: na futuristic laboratory, a spider exposed to the Neogenic Recombina beam made it radioactive.…

A: A differential equation is an equation that involves derivatives or differential coefficients or…

Q: Which of the sets are Linearly Dependent 1 2 3 00 CD-10 3 A a. Set A and B are Dependent, C is…

A:

Q: newton's law of cooling

A: We have given that a cup of hot cocoa coo from 90∘C to 60∘C after 10min in a room temperature having…

Q: The Chernobyl incident was the worst nuclear disaster in modern history. In 1986, a combination of a…

A: In the question it is asked to calculate the period of time after which the Chernobyl will be…

Q: 21. The half-life stronium-90 is 29 years. Find the mass remaining after 18 years if a 100g sample…

A: Exponential decay model for a substance is  A=A0e-rtwhere A=amount after time tA0=initial amount…

Q: A bacteria culture under pressure has started to dissipate in size. The bacteria culture started…

A:

Q: Suppose you have a 1024 mg sample of a substance known to have a half-life of 50 years. Find the…

A: Given half-life of sample=50 yrs and the initial sample is = 1024mg.

Q: Nobelium is a radioactive isotope that has 25 seconds half-life. How long will it take for Nobelium…

A: The formula to calculate the amount of radioactive isotope is N=Noe-λt where N is the rest amount No…

Q: A radioactive element is known to decay at a rate proportional to its present mass. Initially, there…

A: Given: A radioactive element is known to decay at a rate proportional to its present mass.…