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 is the stress within the column

a marble column of a cross sectional area 1.5 m^2 suports a mass of 24000 kg, what is the stress within the ciolumn? N/m^2

  Determine the player weigh in newtons

A hockey player got checked into the boards and was knocked unconscious. It takes 95N of force to drag the hockey player across the ice at a constant speed.

  Find the force constant of this tendon

Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. Find the force constant of this tendon in N/m

  What is the magnitude of the final velocity

A projectile is fired from the edge of a 10m high cliff at 10m/s and an angle of 30 degrees from the horizontal. what is the magnitude of the final velocity

  Question1three point charges are in order on a line charge

question1three point charges are in order on a line. charge 3 5.00 nc and is at the origin. charge 2 -2.50 nc and is

  Determine with what force must you pull

The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm. With what force must you pull

  Determine the final temperature of the soda and watermelon

An ice chest at a beach party contains 15 cans of soda at 3 ° C. Each can of soda has a mass of 0.38 kg, determine the final temperature T of the soda and watermelon

  What is the vertical height between the two climbers

A rock climber throws a small first aid kit to another climber who is higher up the mountain. What is the vertical height between the two climbers

  What was the initial direction of the ball

A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 8.1 m/s, What was the initial direction of the ball

  Calculate the contact force that acts between the masses

The left mass (10 kg) has a coefficient of kinetic friction between itself and the table of .25, calculate the contact force that acts between the masses

  What was the speed of the bullet at impact with block

what is the rate of heat transfer from the plate to the air? If the free stream velocity if the air is doubled and the pressure are increased to 10 atm, what is the rate of heat transfer.

  Question1an old oaken buck of mass 675 kg hangs in a well

question1an old oaken buck of mass 6.75 kg hangs in a well at the end of a rope. the rope passes over a frictionless

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