The half-life of u-235 an alpha emitter is 71x108yr
The half-life of U-235 , an alpha emitter, is 7.1x10^8yr. Calculate the number of alpha particles emitted by 5.1mg of this nuclide in 3.0 minute.
Expected delivery within 24 Hours
if the energy strored in the fully charged battery is used to lift the battery with 100% efficiency, what height is attained. Assume that the acceleration due to gravity is 9.8 m/s^(2) and is constant with height.
Perform an analysis of the social / demographic, technological, economic, environmental / geographic, and political / legal / governmental segments to understand the general environment facing Great Lakes. Describe how Great Lakes will be affected
A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch, What maximum power must the motor provide
What is the best way to develop, introduce, regulate, provide access, and pay for new health technologies in the 21st century?
Calculate the final temperature of the solution, assuming the delta H reaction for HCl + NaOH = -56.2 kJ/mole and that the solution's specific heat is the same as water: 4.184 J/g Celsius.
Using PHStat construct the probability distribution for the value of a 2 card hand dealt from a standard deck 0f 52 cards (all the face cards have a value of 10 and the ace a value of 11). What is the proabolity of being dealt 21?
Determine whether the following signals are periodic. If they are, find the smallest periods (fundamental periods). a) f(x,y) = sin (2 pi x) cos(4 pi y) b) Discrete signal: f(m,n) = sin ( pi * m / 5) cos(pi * n / 5)
A 46.0-kg girl is standing on a 159-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, What is the velocity of the plank relative to the ice surface
1938847
Questions Asked
3,689
Active Tutors
1454668
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A 2-year-old girl is evaluated for cough, runny nose, watery eyes, and fevers for a week. She also developed a diffuse rash,
Question: Which clinical findings tend to support a diagnosis of Klinefelter syndrome?(Select all that apply.) Short arm span Gynecomastia. Scoliosis Small peni
Problem: The treatment that has been the MOST popular for restoring weight among persons with anorexia nervosa is
The nurse is caring for a client who is receiving internal radiation therapy for cervical cancer. Which of the following actions should the nurse take?
What are two ways to share the outcomes of research? Why is it important to present the results of this research to the organization in some capacity?
Problem: The nurse is teaching a client who had left cataract surgery with an intraocular lens implant.
A nurse is reinforcing teaching about exercise with a client who has type 1 diabetes mellitus. Which of the following statements by the client indicates