Calculate the age of the moon rock

Assignment Help Physics
Reference no: EM13495947

A moon rock is found to contain 500 g of 232Th and 100 g of 208Pb. Assuming that all of the lead has resulted from the decay of thorium and that the half-life for this process is 1.4x1010 years, calculate the age of the moon rock (i.e. how long ago since the thorium began to decay).

Reference no: EM13495947

Questions Cloud

Compute basic and diluted earnings per share : Henderson-Niles' net income for the year ended December 31, 2011, is $520 million. The income tax rate is 35%. Henderson-Niles paid dividends of $1 per share on its preferred stock during 2011.
Determine how long ago did the owner of the bone die : In living tissue, about one out of every 10-12 carbon atoms are the 14C isotope. If you were to discover a human bone with a 14C occurrence of one out of every 10-14 atoms
What is the electric potential energy of system of charge : Two equal point charges of magnitude 4.0 µC are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges
What is the angular position of the first principal order : A grating is made of five similar, uniformly spaced, narrow slits. For light of wavelength ? = 675 nm perpendicularly incident on the slits, What is the angular position of the first principal order when the first and fifth slits are covered
Calculate the age of the moon rock : A moon rock is found to contain 500 g of 232Th and 100 g of 208Pb. Assuming that all of the lead has resulted from the decay of thorium, calculate the age of the moon rock
Determine the net force on the roof : If wind blows at 25 m/s over a house, what is the net force on the roof if its area is 214 m2 and is flat
How large a cargo can it lift : A spherical balloon has a radius of 12.0 m, and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 1000 kg
Calculate the deepest he could have been : In a movie, Tarzan evades his captors by hiding underwater for many minutes while breathing through a long, thin reed. calculate the deepest he could have been
Estimate the specific gravity of this other fluid : A bottle has a mass of 35.00 g when empty and 98.40 g when filled with water. What is the specific gravity of this other fluid

Reviews

Write a Review

Physics Questions & Answers

  What are the frequencies of next two harmonics

A plane diving with constant speed at an angle of 51.7° with the vertical, releases a package at an altitude of 437 m. The package hits the ground 2.93 s after release. How far horizontally does the package travel.

  What is the wavelength of this photon

A photon has momentum of magnitude 8.15×10?28kg?m/s. What is the wavelength of this photon

  Determine the half life of the sample

What is the half life of the sample if the decay rate decay rate decreases from 175 KBq to 12.4kBq in 18 seconds

  Calculate the change in the potential energy of the system

A single conservative force acts on a 5.30-kg particle within a system due to its interaction with the rest of the system. calculate the change in the potential energy of the system

  What is the electric potential energy

Two point charges, Q = +5.17 microC and q = -2.83 microC, are separated by r = 5.85 m. What is the electric potential energy?

  What is the efficiency and how do we express this in power

A typical power plant uses some fuel as the source of heat (QH) to drive a heat engine that does work (W) to drive a generator that is connected to the electrical grid. What is the efficiency and how do we express this in power

  Find the diameter of the path followed by the alpha particle

An alpha particle, which is a helium nucleus, has a mass of 6.64*10^-27 kg. It is travleing horizontally at 42.3 km/s when it enters a uniform, What is the diameter of the path followed by the alpha particle

  Assess the benefits brought about by the application of

assess the benefits brought about by the application of lean techniques at wiremold. explain your answer by describing

  What is the acceleration of the block down the incline

A 42.0 kg block of ice slides down the plane incline 34.0 degrees. Assuming friction is negligible, what is the acceleration of the block down the incline

  How far is the screen from the lens

A plane wave of wavelength 580 nm is incident on a slit with a width of a = 0.50 mm. A thin converging lens of focal length +80 cm is placed between the slit, How far is the screen from the lens

  Require an undisclosed amount of heat transfer with a heat

The process is claimed to produce 2000 J/min of work and to require an undisclosed amount of heat transfer with a heat reservoir at 300 K. Should inventor be issued a patent of this device.

  What will the force between these charges

A 2.8 kg rectangular air mattress is 2 m long, 0.5 m wide, and 0.1 m thick. What mass can it support in water before sinking.

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