How old is the rock
A rock contains .37 mg of Pb-206 and .95 mg of U-238. The half lifeof the decay series U-238 to Pb-206 is 4.5 X 109years.Assuming no Pb-206 was present in the rock initially, how old is the rock?
Expected delivery within 24 Hours
Calculate the total energy of the child-stick-Earth system, taking both gravitational and elastic potential energies as zero for x = 0.
Given one focus at (4,2) and the equation of one directrix as y=4, determine the equation of the ellipse with an eccentricity of 1/2.
a) what is the average acceleration of the bullet thru the board? b) what is the total time the bullet is in contact with the board? c) What thickness of the board would it take to stop the bullet, assuming acceleration is the same?
Use the information developed in the notes for formic acid as a guide to determine the concentration of [H+] and pH of 0.1N and 1N solutions of acetic acid.
A 1.2 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. The force is given by F(x) = (2.5 - x2)i N, where x is in meters and the initial posit
Determine the tax per item that will maximize the total tax revenue and use it to compute the maximum total tax revenue possible.
Consider light that is refracted by a prism shaped like an equilateral triangle. The incident ray is parallel with the prism's base. What is the total deflection of the ray, given that the index of refraction of the prism material is 1.50 ?
Find the equillibrium point, the consumer's surplus, and the producer's surplus if the demand function is p(x)=f(x)=200-.4x^2.
1951229
Questions Asked
3,689
Active Tutors
1450641
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Sarah Green, a 29-year-old woman, is in her second pregnancy. She has a history of a healthy first pregnancy and is currently at 32 weeks of gestation
For this Performance Task Assessment, you will develop a plan to advocate as a social change agent for a particular population in your community.
The parents of a 6 month old diagnosed with a terminal brain tumor have chosen palliative care. Which interventions will be provided for this infant?
I advised her that she will need to continue with her care with Dr. X, who plans to offer chemotherapy. Electronically signed by X, MD What diagnosis codes are
Question: Which finding would concern the nurse who's caring for an infant after a right femoral cardiac catheterization?
Describe a quality or safety issue, identifying the gaps and burden in nursing practice in prevention and management of sepsis
What intervention is most appropriate for the nurse to perform? Remove the security device because it's a choking hazard.