How long ago did the rock solidify, Physics

+44 141 628 6080
[email protected]

How long ago did the rock solidify

An ancient rock is found to contain Ar40 gas, indicating that 77% of the K40 in the rock has decayed since the rock solidified. Any argon would have boiled out of liquid rock. How long ago did the rock solidify? The half life of K40 is 1.25 billion years.

Request for Solution File

Ask an Expert for Answer!!

Physics: How long ago did the rock solidify

Reference No:- TGS0732706

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Physics

Q : Tangential acceleration of a bug on the rim

(a) What is the tangential acceleration of a bug on the rim of a 12.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 80.0 rev/min in3.50 s?

Q : Calculate the heat loss from the flue per unit length

A flue passing hot exhaust gases has a square cross section, 300mm to a side. The walls are constructed of refractory brick 150mm thick with a thermal conductivity of 0.85 W/m*K.

Q : Standard deviation of the cutting process

In a cheese factory, 5.0 kg blocs of cheese are cut manually. For a large number of blocks, the standard deviation of the cutting process is measured and found to be 0.11 kg. The measurement was done with a scale with an accuracy of 1.0 % of the f

Q : Find mole fraction of ammonia in scrubbed waste gas stream

What is the minimum flow rate of water required to scrub out 90.0% of the incoming NH3? L/hr. What is the mole fraction of NH3 in the scrubbed waste gas stream? mol NH3/mol waste gas.

Q : How long ago did the rock solidify

Q : Measurements from a larger population of measurements

Suppose that we will randomly select a sample of four measurements from a larger population of measurements. The sampling distribution of the sample mean is the probability distribution of a population. In your own words, describe the units in thi

Q : Calculate power required to drive steady-flow compressor

Calculate the power required to drive a steady-flow compressor if air flowing at a rate of 1kg/s enters at 100kPa, Temp=20C with a velocity od 60m/s and leaves at 240kPa.

Q : Slope of the true least-squares regression line

The data below are the temperatures on randomly chosen days during a summer class and the number of absences on those days. Construct a 95% confidence interval about the slope of the true least-squares regression line, for the data below, given th

Q : Compute the dielectric constant of the material

(a) Calculate the dielectric constant of the material. (b) Determine the magnitude of the charge (in C) induced on each dielectric surface

1960253

Questions
Asked

3,689

Active Tutors

1423373

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Physics: How long ago did the rock solidify

Reference No:- TGS0732706

Have a Question? (oR Write a Review)

Recent Questions Asked Physics

Q : Tangential acceleration of a bug on the rim

Q : Calculate the heat loss from the flue per unit length

Q : Standard deviation of the cutting process

Q : Find mole fraction of ammonia in scrubbed waste gas stream

Q : How long ago did the rock solidify

Q : Measurements from a larger population of measurements

Q : Calculate power required to drive steady-flow compressor

Q : Slope of the true least-squares regression line

Q : Compute the dielectric constant of the material

How protein is an essential part of our health

Discuss about health information exchanges in the niles

Discuss education and care services national regulations

How to determine if there is a quality issue

What inter-professional involvement needs to be considered

Why should contraception be a reproductive right

Problem regarding childhood education and care services

Request for Solution File

Ask an Expert for Answer!!

Physics: How long ago did the rock solidify

Reference No:- TGS0732706

Recent Questions Asked Physics

Q : Tangential acceleration of a bug on the rim

Q : Calculate the heat loss from the flue per unit length

Q : Standard deviation of the cutting process

Q : Find mole fraction of ammonia in scrubbed waste gas stream

Q : How long ago did the rock solidify

Q : Measurements from a larger population of measurements

Q : Calculate power required to drive steady-flow compressor

Q : Slope of the true least-squares regression line

Q : Compute the dielectric constant of the material

Asked Questions