What is the fraction in natural potassium

Assignment Help Physics
Reference no: EM131002203

(a) Natural potassium contains 40K, which has a half-life of 1.277 x 109 y. What mass of 40K in a person would have a decay rate of 4180Bq?

(b) What is the fraction of 40K in natural potassium, given the person has 140 g in his body?

Reference no: EM131002203

Questions Cloud

Risk-taking propensity of three types of managers : A management consultant is interested in the risk-taking propensity of three types of managers: entrepreneurs, newly-hired managers and newly promoted managers.
Was presley promise to pay the mortgage enforceable : Was Presley's promise to pay the mortgage enforceable against the estate? Why or why not? Be sure to support your conclusion with facts, definitions, and/or examples
Create a total compensation and benefits strategy : Consider the use of performance incentives and merit pay to recognize and engage employees.
Did he know or did he not know about his ancestry : Question: Did he know or did he not know about his ancestry before the story's conclusion? Explain your answer thoughtfully, using quoted language from the story to effectively support your answer
What is the fraction in natural potassium : Natural potassium contains 40K, which has a half-life of 1.277 x 109 y. What mass of 40K in a person would have a decay rate of 4180Bq? What is the fraction of 40K in natural potassium, given the person has 140 g in his body?
What will be the volume : Near the critical temperature and critical pressure of a gas, it will behave quite like an ideal gas except that its density will be higher than predicted by the Ideal Gas Law. Based on what you know of this "compressibilty" behavior, what will b..
Show that differential equation has a solution of period k : When b=2 show that the differential equation in the above figure has a solution of period k. Show that det A(t)= 1 for all t then use this to show that the floquet multipliers are roots of x2-bx+1=0 when b is the trace of A(k).
Which if any of these people are nearsighted : Which, if any, of these people are nearsighted (myopic)? List the first letter of all correct answers in alphabetical order. For example, if Avishka and Edouard are the only nearsighted ones, enter AE.
Personal injury lawsuit with a customer : Settled a personal injury lawsuit with a customer for $87,500, to be paid in January. Aston Martin Inc. accrued the loss in a litigation claims payable account.

Reviews

Write a Review

Physics Questions & Answers

  A plane is flying at 25 degree north of west at 190kmh and

a plane is flying at 25 degree north of west at 190kmh and encounters a wind from 15 degree north of east at 45kmh.

  Determine the force per unit length

Two long straight parallel wires are 19cm apart. Wire A carries 2.0-A current. Wire B's current is5.0A in the same direction, Determine the force per unit length on wire B due to wire A

  What is the height of the table

What is the gravitational force between two 20-kg iron balls separated by a distance of .9 m? What is the height of the table

  Calculate how many photons would be produced

A 52.0 kg object falls from a height of 2.9 m to the ground. how many photons would be produced

  Find the critical angle at this interface

A ray of light travels across a liquid-to-glass interface. If the indices of refraction for the liquid and glass are, respectively, 1.57 and 1.68, what is the critical angle at this interface?

  Define how does the wavelength affect angle of reflection

In refraction the angle of refraction depends on the wavelength, longer wavelengths bend less. How does the wavelength affect the angle of reflection

  Determine how long was the obstacle in the air

An obstacle has a velocity of 290 km/h and drops with an angle of 30 degrees. It hit's the ground at d=700m.  How long was the obstacle in the air

  Determine the time of one revolution of the swing

The giant swing at a country fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. Find the time of one revolution of the swing if the rod supporting the seat makes an angle of 30 degrees with the vert..

  Compute what is the mass of the second ball

A 0.380 kg steel ball makes an elastichead-on collision with a second ball initially at rest. What is the mass of the second ball

  How much time passes before it hears an echo

A dolphin located in sea water at a temperature of 25°C emits a sound directed toward the bottom of the ocean 130 m below. How much time passes before it hears an echo

  Angular speed of the system just after the putty wad hits

The 1.1 kg balls are attached to the ends of a thin rod of length 42.0 cm and negligible mass. The rod is free to rotate in avertical plane without friction about a horizontal axis through its center.

  Calculate the numerical value of i in a

An electron is moving at a constant speed of 15 m/s on a circle of radius 2.2 m. Express the circumference of the circle C in terms of its radius R.

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