Determine the decay time and quality factor
When the E sting of a guitar which has a frequency 330Hz is plucked, the sound intensity decreases by a factor of 2 after 4s. Determine a) the decay time and b) the quality factor Q.
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Aluminum-copper alloy(96 atom% Al; 4 atom% Cu) is solution-annealed at 550C and then aged at 450C. Calcuate the time required to grow the precipitate half-thickness from X=0 to x=1E-6m.
Use a normal approximation to find the probability of the indicated number of voters. in this case assume that 145 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them
A composite material is to be made of tungsten wire aligned in a single direction in a nickel matrix. The elastic modulus perpendicular to the fibers must be at least 250Gpa. What is the corresponding elastic modulus in the direction of the fibers
We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.
Consider a piston-cylinder arrangement containing 5.057 X 10^-4 kg of dry air. For an isothermal expansion process determine the quantity of work performed by or on the air in the cylinder.
A strain rosette with measurements in the direction of the applied unidirectional force, perpendicular and at 45 degrees is employed to measure strains on the free surface of aluminum alloy part with ex = 1400 x 10^-6 ; ey = -950 x 10^-6 and e45 =
To see whether or not the proportions have changed, a sample of 300 students was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
Two sides dice are .Let A represent the set of tosses for which the sum of dice is even , B be the set of tosses for which at least one dice shows a 3 and C be the set of tosses for which the sum of dice is 7. Identify the elements of
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Early childhood development experiences play a pivotal role in shaping individual behaviors, which subsequently influence work and organizational behaviors.
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The learning model is based on the idea that children and adolescents are at a higher risk for drug use if their parents are addicted
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Problem: Address the following questions in a post of at least 250 words: What is intelligence to you? How would you measure it?
After reading about the history of evolutionary psychology in chapter 10 of Hergenhahn's an introduction to the history of psychology" by Henley