Calculate the initial number of atoms in the sample

Assignment Help Physics
Reference no: EM13238121

A source has a half life of 30.2 years. It was created 19 years ago with an initial activity of 1 micro curie. Calculate the initial number of atoms in the sample and the original mass of the sample?

Reference no: EM13238121

Questions Cloud

Compute the cell potential : Write the half reactions and the net cell reaction for the following cell. Calculate the cell potential. S.C.E. || MnO4- (aq, 0.035 M), Mn+2 (aq, 0.022 M), pH = 4.50 | Pt(s)
Structure and culture of the hindu societies : What similarities and what differences are found in the structure and culture of the Hindu societies described in the textbook and the Christian societies described in the textbook?
Find the inflation rate using quantity theory of money : The postwar U.S. economy data shows that the long-run annual growth rate of output is 3.2%, the long-run annual growth rate of money stock is 5.3%, and the nominal interest is 5.8 (a) Find the inflation rate using quantity theory of money.
How were gender roles and family dynamics shaped : Describe and analyze the roles of women and the family during the classical period in Rome, China, and India (500BCE-500CE). How were gender roles and family dynamics shaped
Calculate the initial number of atoms in the sample : A source has a half life of 30.2 years. It was created 19 years ago with an initial activity of 1 micro curie. Calculate the initial number of atoms in the sample
Explain what fraction of the cadmium ions are in the form : And, of course, ammonia is a base so there will be some NH4+ in solution also. Assume that the concentration of unprotonated NH3 is 0.040 M. What fraction of the cadmium ions are in the form of Cd2+
Cross-cultural expansion of christianity : Compare and assess the rise and cross-cultural expansion of Christianity, Islam, and Buddhism. What factors contributed to the success in these religions beyond their homelands?
Find the potential 3.00 m from the sheet : The potential equals 400 V at 1.00 m from a very large, flat dielectric sheet that carries a surface charge density of -1.00 x 10^-8 C/m2
Geographical description of their locations : After providing a geographical description of their locations, discuss why the Silk Roads became important for more than just the exchange of economic commodities in the classical and post-classical eras

Reviews

Write a Review

Physics Questions & Answers

  Illustrate what is the horizontal speed of other fragment

One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?

  How far must it travel to increase its speed

If a freight train can accelerate at 0.050 m/sec2, how far must it travel to increase its speed fro 2.0 to 8.0 m/sec?

  How to draw the reflected ray

Find out the critical angle for the glass-synthetic interface (same as for the glass-diamond interface). Sketch a picture of the incoming ray as it interacts will all subsequent interfaces.

  Find coefficient of kinetic friction between box and ramp

A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium 0 degrees Celsius and 1 atm pressure to lift the total load.

  What was the final temperature of coins

In a physics lab experiment, a student immersed 201 one cent coins (each having a mass of 3.00) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.240 of water at 20 in an insulated contai..

  What is the frequency of fundamental

A guitar string is 91.00cm long and has a mass of 3.6g. From the bridge to the support post (= L) is 60 cm, and the string is under a tension of 551 N.

  What is the minimum force needed

You (height of your eyes above the water, 1.75) are standing 2.00 from the edge of a 2.50--deep swimming pool. You notice that you can barely see your cell phone, that went missing a few minutes before, on the bottom of the pool.

  Illustrate what are the x and y coordinates of the shell

An artillery shell is fired with an initial velocity of 300 m/s at 51.0° above the horizontal. To clear an avalanche, it explodes on a mountainside 47.0 s after firing. Illustrate what are the x and y coordinates of the shell where it explodes, re..

  What is the capacitance of mars

Suppose you were to wrap the planet Mars in aluminum foil and place a charge Q on it, What is the capacitance of Mars in this case

  Find the von mises stress

Find the von Mises stress (in MPa) at the location of the strain gages.

  Find the time required for the electron to reach the screen

An electric field applies a force of 9.11x10^-16 N to an electron emitted from a cathode of a cathode ray tube at essentially zero velocity

  Calculate the probable percent error in the volume

Using a vernier caliper of least count 0.01 cm, the length of a cylinder is measured to be 3.76 cm, and its diameter 1.28 cm. Find the volume of the cylinder. Calculate the probable percent error in the length. Calculate the probable percent error..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd