What is the half-life of this source

Reference no: EM13271984

A. The activity of a sample drops by a factor of 5.0 in 8.3 minutes. What is its half life.

B. The activity of a radioactive source decreases by 5.2% in 28 hours. What is the half-life of this source?

Reference no: EM13271984

Questions Cloud

Which point does the proton have a higher potential energy : An electron moving parallel to the x axis has an initial speed of 3.70 x 106 m/s at the origin. Its speed is reduced to 1.40 x 105 m/s at the point x = 2.00 cm. Which point does the proton have a higher potential energy

What is the meaning of lives in general : How do you respond and what do you think is the meaning of your life? What gives it meaning? What is the meaning of lives in general?

Determine what is the back emf of an ac series circuit : If I have an AC series circuit with a voltage source of 3 Vrms, a frequency of 5 kHz, a 100 mH coil, and a 1 kohm resistor, how do I determine what the back emf is

What are the environmental effects on health : What are the environmental effects on your health from your home and other places you spend a great deal of time?

What is the half-life of this source : The activity of a radioactive source decreases by 5.2% in 28 hours. What is the half-life of this source

Which plane has the smallest surface density of atoms : consider the (100),(110), and (111) planes in silicon. (a) which plane has the highest surface density of atoms. what is that density. (b) which plane has the smallest surface density of atoms. what is that density.

Compute the change in the length of the solenoid : A 5.16 multiply.gif 10-5 H solenoid is constructed by wrapping 64 turns of wire around a cylinder with a cross-sectional area of 8.80 multiply.gif 10-4 m2, Determine the change in the length of the solenoid

How these religious thinkers arrived at this conclusion : Rachels points out that Socrates and many other thinkers who believe in God have shown that even if one accepts a religious picture of the world that rightness or wrongness of our actions cannot be understood merely in terms of conformity to divin..

Write a machine language program to add the numbers : Assume there are five numbers stored in locations 20 to 24. Write a machine language program to add these numbers and store the result in location 25.

User Account

All Pages