Compute what period of time is required for a sample

Assignment Help Physics
Reference no: EM13686237

Compute what period of time is required for a sample of radioactive uranium-235 to lose 99.280 percent of its activity? (The half-life of uranium is 7.038 x 10 yr).

Reference no: EM13686237

Questions Cloud

Find by what factor would the current delivered : A capacitor (capacitance C1) is connected across the terminals of an ac generator. Find by what factor would the current delivered by the generator have increased
Compute the position of the object : A converging lens with a focal length of 11.6 centimeter forms a virtual image 8.45 millimeter tall, 17 centimeter to the right of the lens. Compute the position of the object
Determine what the net gravitational force exerted : Objects with masses of 230 kilogram and a 530 kilogram are separated by 0.440 meter. Determine the net gravitational force exerted by these objects on a 48 kilogram object located midway between them
Obtain how tall would such a manometer have : Consider a water-filled manometer, constructed to measure blood pressure via a direct connection to an artery. Obtain how tall would such a manometer have to be to measure blood pressures as high as 305 mm Hg
Compute what period of time is required for a sample : Compute what period of time is required for a sample of radioactive uranium-235 to lose 99.280 percent of its activity? (The half-life of uranium is 7.038 x 10 yr)
Determine what fraction of a sample of carbon : Determine what fraction of a sample of carbon-14 is left after 21487.5 yr. (The half-life of carbon-12 is 5730 yr.)
Find what is the half time : A radioactive sample produces 46035 decays per minute at one point in an experiment and 308.09 days later produces 837 decays per minute. Find what is the half time
Obtain what the angular magnification of the microscope : In a compound microscope, the focal length of the objective is 3.20 centimeter and that of the eyepiece is 6.60 centimeter. Find the angular magnification of the microscope if the person using it has a near point of 31 centimeter
Evaluate the refractive power of its eyepiece : An astronomical telescope has an angular magnification of -131. Its objective has a refractive power of 1.75 diopters. Evaluate the refractive power of its eyepiece

Reviews

Write a Review

Physics Questions & Answers

  What is the total negative charge in coulombs

A.) What is the total negative charge, in coulombs, of all the electrons in a small 1.00 sphere of carbon? One mole of is 12.0 , and each atom contains 6.00and 6.00 electrons.

  Q1 what will be the equilibrium temperature when a 223 g

q1. what will be the equilibrium temperature when a 223 g block of copper at 258 c is placed in the 178 g aluminium

  How many moles of gas can such a cylinder hold

For gas storage, thick metal cylinders whith an internal volume of 25 litres are used; typical cylinders can safely maintain a pressure of 180 atm. how many moles of gas can such a cylinder hold

  How far below the top of the well is surface of the water

drop a rock into a well. You hear the splash 2.40 s after you release the rock from rest. The speed of sound in air at the ambient temperature is 336 m/s. How far below the top of the well is the surface of the water?

  Forces acting on the arm of a person lifting a dumbbell the

forces acting on the arm of a person lifting a dumbbell. the force f is the force pulling on the hand due to the weight

  Estimate the energy of the scattered photon

A photon with wavelength 0.02680 nm strikes a free electron that is initially at rest. What is the energy of the scattered photon

  What is the potential energy of these three charges

Three point charges form an equilateral triangle near the origin. Q1 = +5.00 uC at x = 2.5m, Q2 = -5.00 uC at x = -2.5m, both on the x-axis, What is the potential energy of these three charges

  Find the resultant velocity of the runner

On a day when the wind is blowing toward the south at 3 m/s, determine the resultant velocity (speed and direction) of the runner

  Find how far will the puck slide before stopping

Doug hits a hockey puck, giving it an initial velcoity of 6.0 m/s. how far will the puck slide before stopping

  At what angle is the projectile fired

A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively. At what angle is the projectile fired

  What is the minimum air speed needed

In a dramatic lecture demonstration, a physics professor blows hardacross the top of a copper penny that is at rest on a level desk. what is the minimum air speed needed to lift the penny off the table top

  Q1 the magnitude of f is 384 newtons and it points at 344o

q1. the magnitude of f is 384 newtons and it points at 344o measured counter clockwise from the positive x-axis. what

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