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Resistor values for stated value and measured value for R1 and R2 in Ohms.
A sample of Barium isotope has a half-life of 2.5 min and an intial activity of 10 x 10^6 Bq. What is its activity after 25 min have elapsed?
How many protons and neutrons does each of the three isotopes of potassium have?
If the half-life of iodine-131 were only one-fifth of its actual value, calculate the factor by which the activity of this sample would change.
What is the decay constant of this isotope?How many nuclei are required to give an activity of 1.50 uCi?
The instructions for an electric hedge clipper suggest that a 20-gauge cord with a cross-sectional area of 5.2 x 10-7m2 extension cord can be used
Find the energy releaeed in the fission reaction (1 0n) + (235 92U) -> (88 38Sr) + (136 54Xe) + (121 0n).
You measure the length and width of a rectangle to be 1.125 m and 0.606 m, respectively. You calculate the rectangle's perimeter
Consider the following nuclear processes which are used to produce isotopes used in medical imaging:
The vehicle s used to transport supplies to and from the bottom of the 25-present grade. Each par of wheels one at A and the other at B has a mass
If a radioactive parent isotope decays to produce a stable daughter isotope, what will be the daughter to parent ratio (D/P) after 9 half-lives?
The water in the tank is at a guage pressure of 216,302 Pa If the bottom of the tank has an area of 0.6m^2 what is the forceon the bottom of the tank.
Consider two objects whose position vectors are given by r1 and r2 and whose momenta are given by p1 = m1v1 and p2 = m2v2 respectively
Why do we keep referring to when the organism "died" rather than "how old" in analyzing C-14 decay?
A constant-volume gas thermometer is calibrated in dry ice (-80.0°C ) and in boiling ethyl alcohol (78.0°C ). The respective pressures are 0.900 atm
The magnetic force between two long, straight, parallel conductors:A nuclide of a transuranium element is.
Name the three kinds of strength used to characterize materials AND give an example of a material that are strong in each of these modes.
Longer wavelengths travel faster. Let's apply to this to a standing wave. Consider a diving pool that is 5.0 m deep and 10.0 m wide.
The coefficient of static friction between a 3.00 kg crate and the 35.0 degree incline it sits on is 0.300. What minimum force (F) must be applied
Find the equation of motion for the Atwood machine depicted in the diagram.
What force must be applied to a small cylinder piston with a diameter of 0.32 m to lift a car weighing 12,000N that is supported by the piston in a larg
A horizontal 808 N merry-go-round is a solid disk of radius 1.56 m, started from rest by a constant horizontal force of 50.5 N applied tangentially
When an average force F is exerted over a certain distance on a shopping cart of mass m, its kinetic energy increases by 12 mv2.
An atom of mass 2.66 ? 10-26 kg oscillates in one dimension at a frequency of 0.60 ? 1013 Hz. What is its effective forceconstant? What are its quantized energy
If an object has a mass of 1.0 Kg, what is it's weight on Jupiter with 2.5 times the gravitational force as on earth?