Find the decay constant
A count rate meter is used to measure the activity of a given sample. At one instant, the meter shows 4.750 counts/min. Five minutes later, it shows 2700 counts/min. Find
a) the decay constant
b)the half life of the sample (log101.760=0.2455)
Expected delivery within 24 Hours
In a rectangular corrdinate system, a postitve point charge q = 6.00nC is placed at the point x = +.150 m, y = 0, and an identical point charge is placed at x = -.150 m, y = 0.Find the x and y components and the magnitude and direction of the electri
Biologically usefull technetium nucleuii (at wt 99) have half life of 6 hours. A solution containing 10^-12 gram of this is injected into the bladder of a patient.Find the activity at the begning and after 1 hour?
A long thin solenoid has 55 turns/cm and carries a current of 0.212 A. The solenoid is filled with iron and the magnetic field is measured to be 1.49 T.Neglecting end effects, what is the applied magnetic field?What is the magnetization?What is the r
Problem 1 :Calculate electric output of the nuclear power plant (measured in MWe).Problem 2 :Assume that 65% power was produced by U-235 Fissions.Calculate Mass of Uranium-235 used in the reactor during this period (in kg).Problem 3:Assume that amoun
A count rate meter is used to measure the activity of a given sample. At one instant, the meter shows 4.750 counts/min. Five minutes later, it shows 2700 counts/min. Find a) the decay constant b)the half life of the sample (log101.760=0.245
Cirrus SR20 cruises at 155 kts at 8000 ft geometric altitude. Its wing has span, b = 38.333 ft, Sref = 144.9 ft2 & has a mean aerodynamic chord (MAC) = 4.04 ft.You will test a 1/4 scale model in the Texas A & M wind tunnel, ass
A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mT. The wire carries a current of 5.00 A.Find the maximum torque on the wire. µN · m
Draw the cycloid curves for two turns with the following data.i. Cycloid with rolling circle radius 20 mm. ii.Superior/inferior trochoid with rolling circle radius 20 mm and generating circle radius 25 mm/ 15 mm respectively.
A capacitor consists of three concentric spherical shells with radii R,2R and 3R. The inner and outer shells are connected by a wire (passing through a hole in the middle shell, without touching it), so they are at the same potential. The shells star
1956051
Questions Asked
3,689
Active Tutors
1435275
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The NP is assessing a school-age child who was brought in by the parent because of honey-crusted lesions covering the child's upper and lower extremities
Axons are: Group of answer choices Hair-like extensions emanating from the cell body of the neuron that receives impulses
Describe the genomic sequencing strategies that you could possibly employ. Be sure to describe the strategies to the extent that reflects your understanding
You are going to analyze the DNA of imaginary creatures that have three chromosomes. Chromosome 1 has genes that encode for vision, chromosome
Problem: Select all that apply Indicate which of the lymphatic trunks empty into the thoracic duct. Multiple select question.
Question: Which laboratory value indicates the primary phagocyte in the blood?
Question: Clearly explain how you would monitor the elution of these proteins from the column.