You want to use radiometric dating to determine the age of a specimen. You use Isotope Z, which has a half-life of 645 years. You measure your sample and find that 1/16 of the original amount of Isotope Z is present. How old is the sample?

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Q: A force of 200 N is applied to an object of area 4 m² Calculate the pressure ?

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Q: Suppose a 905-kg car is on the bridge in the figure with its center of mass halfway between the…

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Q: A force of 200 N is applied to an object of area 4 m² Calculate the pressure ?

A: A force of 200N is applied on an object of area 4m^2

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Q: Find the value of kinetic energy of car mass 20 kg moving with velocity 3 m/s

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Q: One (1) weber is the same as 1V.s 1T-s 1T/m 1T/m²

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.