How long ago did the rock solidify, Physics

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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.

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Physics: How long ago did the rock solidify

Reference No:- TGS0732706

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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

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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

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