Thursday
December 5, 2013

# Posts by Paige

Total # Posts: 296

physics
A hydrogen atom is in the 4p state. Determine its energy.

Chemistry
The half life for a first order reaction is know to be 4.5 h. How long will it take for 85% to be decomposed, in h?

Physics
I am confused on this question.

Physics
What is the age in years of a bone in which the ratio 14C/ 12C is measured to be 2.3×10^−13?

Physics
What is the age in years of a bone in which the ratio 14C/ 12C is measured to be 2.3×10^−13?

phyics
Calculate (in MeV ) the binding energy per nucleon for 40 Ca .

physics
Part C Calculate (in MeV ) the total binding energy for 40 Ca .

Physics
Calculate (in MeV ) the total binding energy for 40 Ca.

Physics
Calculate (in MeV ) the total binding energy for 40 Ca.

Math
The following table represents the diameter of the cross section of a wire at continuous heights (feet) above the ground. Assume that each cross section is circular. Height(ft) 2 6 10 14 18 22 26 30 Diameter 2 2 2.0 1.8 1.6 1.5 1.3 1.2 (feet) (those should all line up) a) Appr...

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